Kris.
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for those who haven't yet read about it, there's a rather rare event visible these days on Jupiter.
it should be visually visible as well in moderate/small scopes. i'm not gonna get a chance to see it due to persistent unstable weather over here, and the spot being visible during the late morning hours when the sun will be already pretty high up 
it would be cool if one of us could grab the chance and give a report on how it looks thru the scope, and perhaps add a sketch. the last time such an event happened was in 1994.
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Kris
To be old & wise, you first gotta be young & stupid 
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rolandlinda3
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Thanks for the note. If we get another clear night, we will look, too. Roland
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Tommy5
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Yes lots more info on the imaging and solar system forums, i'll take a look if i can tonight it should transit around 3:00am cdt. 
Edited by Tommy5 (07/20/09 08:35 PM)
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CarlosEH
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Kris,
Thank you for informing everyone on the new South Polar Region (SPR) dark spot which appears to have resulted from an impact (most probably a comet or comet fragment similar to S-L 9 in 1994). Anthony Wesley is a talented planetary imager from Australia who recorded the feature on July 19, 2009 (15:55 U.T.) on the central meridian (System II 210 degrees West) using his 14.5" Newtonian reflector. I hope that other observers are able to follow this dark impact site in the future. Below are links to predicted transit timings of the SPR impact site;
http://www.iceinspace.com.au/index.php?home
http://jupiter.samba.org/
Carlos
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Special Ed
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Thanks, Kris. I hope tp observe and sketch this new phenomenon in the morninig (July 21st) if the weather gives me a break.
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Michael Rosolina
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kraterkid
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Kris and folks,
Thanks for the heads up on this amazing phenomena!  I'm going out tonight to see if I can get some sketches or images of this!
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Rich
My CN Gallery
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Jeremy Perez
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Thanks for starting the thread, Kris!
What a privilege to be able to see something like this with your own eyes. I used my 8 inch Dob and shortly after midnight local time (about 07:10 UT) I was able to identify the scar deep in the south polar region. I don't often tread into planetary sketching, so this took a lot of concentration. The sketch took about 45 minutes from 07:20 UT to 08:05 UT. I created the field sketch on plain white paper on a pre-printed form. The blending was horrible though, so I traced all the contours onto a new sheet of Strathmore Drawing paper and re-created it with graphite pencil (2H and HB). Color and limb darkening were added in Photoshop.
I think the Shoemaker-Levy 9 scars lasted a few weeks before they smeared out. So there should be some more time to clear any weather or scheduling hurtles to see this thing for yourself. Be sure to check it out as soon as you can! Wow!
Full report & larger sketch can be found here:
Jupiter with Impact Scar - JUL 21, 2009 07:20 UT
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CarlosEH
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Jeremy,
An excellent observation of Jupiter showing the new impact site over the South Polar Region (SPR). It is amazing to witness this event (or the aftermath) especially after the S-L 9 event of 1994. Thank you for sharing it with us all.
Carlos
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Kris.
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a wonderfull sketch Jeremy, a drawing says more than a photograph when it comes to appearance through the scope imo!
i know it's probably very difficult to compare your own views with pictures, but do you think the mark has already waned much? also is it easily recognized or rather more difficult to spot? i sure hope it will last for at least a week or so 
i check the weather forecast at meteoblue.com often, and on every window i have i'm completely clouded out so far untill the weekend  (i'll probably set my watch anyway tomorrow morning, without expectations, but you never know)
i'm happy some of us get to see it at least!
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Kris
To be old & wise, you first gotta be young & stupid
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Erix
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Jeremey, I'm so happy you had the chance to observe and sketch the impact site. Fantastic sketch and report!
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Erika
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frank5817
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Kris and Jeremy,
Thank you for the heads up Kris and Jeremy yours is the first sketch I have seen of the event. Wonderful sketch and written report.  I hope to get a look soon but no luck so far.
Frank 
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kraterkid
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Fantastic sketch and report of the Wesley Jupiter impact scar Jeremy! I was out last night and early morning imaging from 11:00 pm to 3 am. The seeing was lousy (Antoniadi IV) but improved slowly throughout the session. I kept wanting to stop imaging and sketch, but I felt compelled to try to catch the scar in a limb to limb transit. I'm hoping to spend some time tonight with the sketchpad. The Wesley impact scar is quite pronounced and is difficult to miss, just hoping we'll all get the chance to sketch and image it as it slowly (I hope) degrades and dissipates.
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Rich
My CN Gallery
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CarlosEH
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I produced an artist rendition of what I believe the Wesley Jupiter impact scar would appear to an observer in low orbit from the north of the impact scar. The impact scar, from recent images, appears to be in the process of being sheared ("stretched") by local jovian currents (winds). I hope that everyone gets to view the impact scar soon (including myself).
Carlos
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kraterkid
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Carlos, that is an awesome scene you've imagined, and it really helps us to understand what to be looking for over the next few days as the scar degrades. I feel so humbled by the opportunity to be able to witness this rarest of events, all I could think of last night as I imaged was WOW!  Cant' wait to get out there on the next prime meridian crossing! Is there any estimate of how far down the asteroid or cometary body got as it drove into the Jovian atmosphere?
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Rich
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rolandlinda3
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Wonderful sketch and catch, Jeremy.
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Roland
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Tommy5
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Carlos and Jeremy wonderful sketches of this new exciting blemish on jup hope it last long enough so everyone can view it.
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Jeremy Perez
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Thanks for the comments on the sketch, and great interpretation Carlos! I'm looking forward to seeing everyone else's sketches as they filter in.
Kris, I hope the weather gives you a chance to see it. I'm not sure at what rate it is dissipating. Checking in on the latest images and comparing them should be helpful. With my seeing conditions, it wasn't a striking feature, but it was consistent. The 120X view provided better contrast, but the 240X view was better for working out position and size of the structure as well as the other cloud features. I did not detect elongation as others did. Hopefully I'll get another look at it as it gradually shears away.
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JanisR
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 Fabulous drawing!
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JanR
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Jeremy Perez
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Jupiter put on a great show tonight!
The impact feature is still hanging on and was readily visible through my 8 inch Dob. The best part was seeing it along with a beautiful shadow transit with Callisto hanging just outside Jupiter's following limb. It also provided a nice contrast for comparison of the two spots. Callisto's shadow was strikingly black, while the impact scar appeared more as a soft feature that seemed to take on the brownish color of the surrounding clouds. I spent more time getting a feel for the impact site itself, and did detect a horizontal elongation and slightly condensed appearance.
I had a couple moments of incredibly good seeing that showed up a lighter patch north of the impact scar and corresponded well to the position of a white spot in the area. I did not detect this white spot as a hard oval, just as a subtle brightening in the area. Midway through my observation, high clouds moved in and foiled my attempts to finish up detail on the preceding edge before it rotated out of view, so the equatorial belts are a little plain in that part of the sketch. I finished the observation just as Callisto was dipping into Jupiter's profile.
The sketch was created on Strathmore Drawing paper with graphite pencils (2H and HB). Mostly just pencil shading, with a little bit of blending stump thrown in to soften some scratch marks. I used Photoshop to add the black background, limb darkening and brownish color.
Larger sketch can be found here:
Jupiter, Callisto, Impact Scar and Shadow Transit
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frank5817
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Had a break in the cloudy weather last night here. Watched the ISS-Shuttle fly directly overhead while waiting for Jupiter to climb into the sky. Soon there after clouds moved in and ended any chance of viewing the impact scar on Jupiter.
Carlos- I love the drawing you made from just above the clouds of Jupiter and the impact point. Very realistic.
Jeremy- Your drawings are beautiful and much appreciated. If I'm going to see this I'll need some better cooperation from the local weather.
Frank
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Special Ed
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Jeremy--thanks for posting these two careful observations and well executed sketches of the Wesley Impact scar.
Carlos--thanks for putting us in orbit around the King!
Rich--let us know where you post your images.
Kris and Frank--good luck on your local weather. I've had the scope ready to go, but we've had clouds and t-storms day and night here all week. 
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Michael Rosolina
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CarlosEH
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Jeremy,
Another excellent observation of Jupiter showing the Wesley comet impact scar. The impact site appears to be enlarging (most probably due to shearing forces of the jovian atmosphere). It is interesting to follow the development of this cometary impact site over the South Polar Region of Jupiter. I hope that we can all observe it as well over the next few weeks. Thank you for sharing it with us all.
Carlos
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markseibold
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Jeremy
Great sketch! [And your earlier one in Spaceweather yesterday too!]
I was compelled to sketch Jupiter last night but could only see it for fleeting seconds through clouds. I forgot which polar region the impact scare was at, It is new to me so I thought I read the south polar region. However I easily noticed the obvious moon transit shadow just to the right of the GRS through my 10.1 inch Dobsonian; that compelled me to sketch at least that but then the clouds took over too soon.
I am confused now. I keep reading the impact scare as in the south polar region [as reported in yesterdays NY Times; you'd think I as an astronomer would get my info from an astronomy site and not the NY Times  but I do have the transit times for it from the Australian Ice in Space forums], but then I see it here in your sketch in what I thought was inverted as it would be seen in a Dob, yet you are showing it at bottom as proper south orientation. ( I did easily see the SL-9 in 1994 and showed it to all my neighbors.)
Thanks again for any info Jeremy,
Mark
Edited by markseibold (07/23/09 01:38 PM)
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Jeremy Perez
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Thanks again for the comments on the sketch. Mark, I have this bad habit of rotating all my sketches so that north is up. To help provide a reference, I do usually drop a compass rose somewhere in the sketch. Since we're dealing with Jupiter, I replace the "W" with a "P" for preceding, so there is no confusion about whether I'm saying celestial West or planetary West. In any case, I probably need to re-assess whether putting north up on planetary sketches is a good idea. I think it works well for deep sky, but it does seem to go against the grain for planets.
Weather is really making this difficult for a lot of folks. I hope you all do catch a break from it at some point very soon.
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Kris.
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Jeremy, another fine jupiter sketch
we might have a break in the clouds this weekend
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Kris
To be old & wise, you first gotta be young & stupid
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Tommy5
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great Jupiter sketch, glad to see the impact is still visible, maybe i will get a chance to look tonight, clouds have been relentless this week.
Edited by Tommy5 (07/23/09 02:09 PM)
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JayinUT
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Jeremy
A terrific sketch and your observations are really close to what I observed. No need to post my poor man's version!
Carlos,
I enjoy all of your sketches and this one is tremendous! S&T or Astronomy should use it when they describe the event.
I spent time last night sketching M25 (did M23 the night before) since I had never done those open clusters. Then I spent it in Cygnus observing and sketching the Veil Nebula NGC 6690 and 6692. Also went after M29, several PN's and before moving to Jupiter I ended in Cygnus with PK 64. 5.1. I was at a dark site last night but today the monsoon is coming back so . . . . I'll see what evening brings.
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Jay in Utah
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Tommy5
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I was finally able to get a view of the jupiter impact myself, it is really cool. I set up my 6" achro at about 11:30 cdt, and looked at jup, the impact was very hard to observe due to jup low altitude and seeing conditions, around midnight things improved considerably, the impact area is the darkest thing on the planet easilly visible even when i stopped down the 6" C6R to 4.5 ". It does look a little elongated. The neb was very turbulant the seb had the usual rift running through it.I was able to use my new TMB 8mm planetary eyepiece which gave a great view at 150x, the impact seems easiler to see at lower then max mag as it is a high contrast dot much like a shadow transit a literal hole drilled through the polar region. After midnight the seeing improved and i had a breathe taking view of jup more detail than i could sketch,i hope other folks get to see this, not as impressive as the 94 strike but really cool beans.
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Special Ed
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Nice job, T5 and good report!
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Michael Rosolina
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frank5817
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Tommy5,
Congratulations, you have produced a very nice sketch of Jupiter and the impact aftermath.
I am hoping to catch an opportunity soon. I am much encouraged by your great report and excellent sketch.
Frank
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Tommy5
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Thanks Frank and Micheal, check this out whenever you can, easy to see when the seeing steadies, you wouldn't really notice it unless you knew what is was and where it is, i had really steady skies after midnight and saw a lot more than what is in the sketch but this is my first jup sketch of this season so didn't draw a lot of detail inside the seb and neb.
Edited by Tommy5 (07/24/09 02:23 PM)
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Jeremy Perez
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Great sketch and report, Tommy5! It sounds like the seeing and contrast in your refractor gave some really nice views of the impact site.
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Tommy5
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Thanks Jeremy the seeing was so steady last night, nice to see you sketching planets again on CN.
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markseibold
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Nice to see that others are getting a chance to see this. Nice sketch Tommy. Jeremy, I got so busy photographing the noctilucent clouds last night and sending to Spaceweather, I have still not sketched, possibly one of the Noctilucent Clouds and the crescent moon setting. Still have not seen the Jupiter Impact.
NPR had a discussion on Science Friday today. I was on hold to talk but they ran out of time so I commented to the call screener about the importance of observing and allowing the public through public star parties. I commented in their online site. It can be reviewed to re-listen to the audio as they interviewed the Australian Mr Wesly who discovered the impact.
http://www.npr.org/templates/story/story.php?storyId=106974473
(Sound archives at 6 PM EDT or 3 PM PDT daily)
Unfortunately I had too much to say and my comment cut off although I got in the importance of astronomy sketching.
Mark
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Tommy5
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Thanks Mark, nice to see amatuer astronomy getting some media coverage.
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CarlosEH
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Thank you all for the compliments on my artist rendering of what the Wesley Comet Impact Site (WCIS) would look like to an astronaut in low jovian orbit north of the impact site. It is very exciting to follow this rare event.
Tommy- Your observation of Jupiter and the impact site is excellent. Thank you for sharing it with us all.
Mark- Thank you for the link to the NPR interview with the Australian discoverer Anthony Wesley. Mr. Wesley is a talented planetary imager.
The Hubble Space telescope (HST) obtained an image of the impact scar on July 23rd. It is very interesting to see the evolution of the impact site;
http://hubblesite.org/newscenter/archive/releases/2009/23/image/a/
Carlos
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Tommy5
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Thanks Carlos i'm glad this impact happened in the summer was jup is visible and the weather is at least sometimes clear here in the midwest.
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CarlosEH
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I made an observation of Jupiter showing the Wesley Comet Impact Scar (WCIS) over the South Polar Region (SPR) of Jupiter. The impact scar appeared bi-lobed with extensions and a tail.
Date (U.T.): July 24, 2009
Time (U.T.): 05:00
L1 231.5, L2 206.1, L3 298.8
Ds 0.5, De 0.2, Diameter 48" (Equatorial)
Instrument: 9-inch (23-cm) F/13.5 Maksutov-Cassegrain
Magnification: 248x and 388x
Filters: None
Seeing (1-10): 7, Antoniadi (I-V): II
Transparency (1-6): 4
Notes:
North Polar Region (NPR): Appears dark to dusky (3-4/10) and mottled. No other detail is visible within.
North Temperate Zone (NTZ): Appears shaded to bright (6-7/10) without any detail visible within it.
North Temperate Belt (NTB): Appears to be divided into two thin, dusky (4/10) components (North and South) with a bright (7/10) middle zone. A dark (3/10) elongated condensation is noted along the northern border of the northern component towards the preceding limb.
North Tropical Zone (NTrZ): Appears bright (7/10) without any detail visible within.
North Equatorial Belt (NEB): Appears dark to shaded (3-4/10) with dark condensations (3/10) and bright rifts (7/10) noted within it. Dark (3/10) barges (rods) are noted along the northern border (NRB-N) and blue festoons along the southern border (NEB-S).
Equatorial Zone (EZ): Appears bright (7/10) with a thin, dull (5/10) band over the middle portion (equator). Very bright (8/10) ovals are noted over it's northern half along the North Equatorial Belt (NEB).
South Equatorial Belt (SEB): Appears dark to dusky (3-4/10) with the southern component (SEB-S) thicker than the northern component (SEB-N). The South Equatorial Belt Zone (SEBZ) appears a pastel orange color with thin, dull (5/10) columns extending between the northern and southern components.
South Tropical Zone (STrZ): Appears bright (7/10) with a thin, angled dusky (4/10) projection over it's preceding half extending from the northern border of the South Temperate Belt (STB-N).
South Temperate Belt (STB): Appears dark to dusky (3-4/10) with a thin, shaded (6/10) section (zone?) over it's southern half which contains four bright (7/10) ovals within it's southern portion.
South Polar Region (SPR): Appears dark to dusky (3-4/10) and mottled. The Wesley Comet impact Scar (WCIS) noted along the central meridian (CM). The WCIS appears very to extremely dark (8-9/10), bi-lobed (smaller southern component than northern), with dusky to dull (4-5/10) projections ("wings"), and thin, dusky (4/10) projection ("tail") to the north. The WCIS reminds me of the impact scars produced by Shoemaker-Levy 9 in 1994.
The Galilean satellites visible are (preceding to following) Ganymede (4.48m), Callisto (5.51m), Io (4.90m), and Europa (5.17m).
The best of luck in your own observations/imaging of Jupiter and the Wesley Comet Impact Scar (WCIS).
A digital image produced in Photoshop CS3.
Carlos
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CarlosEH
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I made a sectional sketch of the Wesley Impact Scar (WCIS). The impact scar appeared as described above (bi-lobed, projections ("wings and a tail"). The preceding end of the impact scar was timed at 05:00 U.T. (L2 206.1/L3 298.9), center (05:09 U.T., L2 211.6/L3 304.3), and following end (05:22 U.T., L2 219.4/L3 312.1).
A digital image produced in Photoshop CS3.
Carlos
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Jaycin
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Holy Cow!!! Boy, what a treat to come back to! Jeremy, Carlos, and Tommy: You all have done some spectacular work!!! Thank you for sharing!
Tonight I will be making my first trip to clear, dark skies since I arrived in Oregon. I will definitely be spending some time with the King!
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Jason
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Tommy5
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Wow great pair of sketches Carlos, you even got grs.jr in the wide angle sketch and have incredible detail in your high mag sketch of the impact, congrads.
Jason- Thanks for your kind comments.Good luck on your observations of jup.
Edited by Tommy5 (07/25/09 11:50 PM)
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Jeremy Perez
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Incredible observation and sketches Carlos! Wow!
You've got everything:moons, structures, color, impact site with detail! Inspiring work--thanks for sharing it.
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CarlosEH
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Jason,
Thank you for the compliment on Jupiter observation and sectional sketch of the Wesley Comet Impact Scar (WCIS). I was impressed as to the darkness of the impact scar. I hope that you get to see it yourself soon.
Carlos
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azure1961p
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Quote:
Jupiter put on a great show tonight!
Jeremy, this is probably hardly news to you, but your Jupiter sketches are terrific. Really fine well executed details.
Pete
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CarlosEH
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Jeremy,
Thank you for your compliment on my Jupiter observation showing the Wesley Comet Impact Scar (WCIS). I was fortunate to have good seeing for my observation. I hope to follow the impact scar soon.
I agree with Pete that your sketches are terrific!
Carlos
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Kris.
Pooh-Bah
Reged: 09/16/04
Posts: 1276
Loc: Belgium
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terrific observation of the impact scar carlos you also noted very much details within the bands, i wish i could see that much detail
the close up sketch of the scar is awesome!
i see you use a lots of colors in the sketch, do you actually see the planet in those lively colors at the ep the best i can do is see a slightly yellowish teint sometimes. saturn however is notably more yellow imo.
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Kris
To be old & wise, you first gotta be young & stupid
8" dob
AstroTech 66ED/APO
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kraterkid
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Reged: 03/07/05
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Loc: Jacumba, California
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Terrific sketches Jeremy, Tommy and Carlos! I was delighted to have a chance at a sketch of the WCIS very early in the morning today. The image of the pastel sketch caught some glare when I was shooting indoors today, so it includes a few artifacts that are not there in the actual sketch, but we all know how much cameras lie don't we?  Anyway here's my latest attempt at a sketch. (See the next post by Carlos and editorial note below. Thanks Carlos!)
Michael, I'm still learning how to process my Jupiter images, so it may be a while, but I'll definitely post them and let you know where when I do.
Editorial comment: Carlos I love what you were able to do with my sketch in Photoshop! Thanks so much! I'm so impressed by the improvement that I'm going to replace my sketch image with your version. If your ever have the time, a quick tutorial on your processing techniques for modifying pastel sketches would be very much appreciated. Thanks again! 
Edited by kraterkid (07/27/09 04:03 PM)
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CarlosEH
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Rich,
Thank you for the compliment on my Jupiter observation and WCIS sectional sketch. I was impressed with this unique feature over the atmosphere of Jupiter. I am glad that you were able to observe it as well. I took the liberty to process it a little. I hope that you like it.
Carlos
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Jeremy Perez
Carpal Tunnel
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Posts: 1930
Loc: Flagstaff, Arizona, USA
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Beautiful drawing, Rich. I'm always impressed by what you are able to do with pastels, and I'm glad you had a chance to apply them to this event.
--------------------
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Special Ed
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T5, Jeremy, Rich, Carlos,
Wonderful sketches from all of you and an impressive visual record of the Wesley Impact scar as it evolves over time.
Carlos, your detailed observation shows what a practiced eye can do with good seeing conditions and good optics. Your computer skills aren't bad either! I really like the sectional sketch of the scar.
I'm still waiting for a clear night to get my own look at Jupiter and hopefully contribute here. Meanwhile, thanks everyone for posting your observations and keeping us up to date.
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Michael Rosolina
8" f/10 Orange Tube SCT
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Tommy5
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Rich, great drawing of jup and the impact scar, very realistic drawing thanks for posting.
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kraterkid
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Reged: 03/07/05
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Thanks Carlos, Jeremy, Michael and Tommy!
Carlos, a very special thanks to you my friend. Your superb digital processing cleaned up the image defects and limb definition and the background black is perfect! . Your last sketches are stunning, Jupiter, WCIS and moons with such keen observational skill, it takes my breath away!  Seeing your localized WCIS view was astonishing enough, but when I saw the Hubble images, Carlos, I was agape at the agreement!  Superb work!
Jeremy, your last sketch and report are just awesome, your pencil work is sublime! I'm so happy the WCIS is staying around for a while (knock on wood), I want to see as many sketches of this improbable and exciting event as possible.
Tommy, the pastels are very easy to use just make sure you have a small white light or tags to discriminate colors, red light can be murder when dealing with color.
Michael, thanks, wishing you your first of many observing/sketching opportunities of this unique event. It's so wonderful to see all the fine sketches that are accumulating here, hoping yours is next!
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Rich
My CN Gallery
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CarlosEH
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Reged: 01/19/05
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Loc: Pembroke Pines, Broward County...
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Kris and Michael,
Thank you for the compliments on my Jupiter observation and Wesley Comet Impact Scar (WCIS) sectional sketch. I was fortunate to have experienced good weather for the observation. Jupiter presents a wealth of colors especially while using medium to large apertures (>6 inches, but even more notable at >10 inches). My 9-inch F/13.5 Maksutov-Cassegrain provides enough aperture for strong colors but my old 12.5" F/6.2 Newtonian reflector was even better. The cascade of pastel colors over the belts and zones is one of the things that brings observers back to the king of the planets.
Rich- You are very welcome as I only tweaked an already excellent observation. I too was happy with the apparent agreemnent between my impact scar observation and the Hubble Space Telescope (HST) image. I look forward to your future observations.
The best of luck in your observations of Jupiter and the impact scar.
Carlos
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Special Ed
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I was out this morning and got my first look at the impact that Bird discovered 9 days ago.
I was all set up early and watched a very nice transit of the Great Red Spot (GRS) across the Jovian central meridian CM) around 0615 UT (2:15 AM EDT). Jupiter was near culmination and the seeing was above average. The GRS appeared a pale tan color most of the time but sometimes a light pink with the seeing.
By the time the impact area had rotated around the limb into view, Jupiter had started to drop back down into the top of the soup and the seeing dropped with it--if I tried to go above 200x, the image became too soft and the impact would disappear.
Even still, at 200x when the seeing would steady I got very good views of this amazing sight. It was very easy to see this unusual phenomenon in the Jovian south polar region. I had wondered whether the impact would have begun to dissipate in the cloudtops, making it hard to spot--no worries, even with average seeing conditions.
I made the sketch as soon as the impact scar had rotated around the limb because I knew that Jupiter was getting lower every minute. I continued to watch as it approached the CM. The impact appeared much shorter when I sketched it near the limb than it did when it was on the CM, probably because of foreshortening.
I made the sketch with HB and 2B pencils on photocopy paper using Sol's template. Blending was done with a stump and my finger. I flipped the sketch digitally to give the "classic" view before adding the text.
I am very happy to have the opportunity to contribute this sketch and observation to the record of this event.
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Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
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Tommy5
Carpal Tunnel
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Great sketch of Jup, lots of cool detail, i'm glad you got a chance to observe this new feature on Jupiter, its easy to see or hard to see depending on the seeing,good recording of the seb and neb also thanks for sharing. .
Edited by Tommy5 (07/28/09 03:53 PM)
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CarlosEH
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Michael,
An excellent observation Jupiter and of the Wesley Comet Impact Scar (WCIS) over the South Polar Region (SPR). It appears that the impact scar is still very dark and readily visible. I hope that we can all see this unique object soon. Thank you for sharing it with us all.
Carlos
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Special Ed
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Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Tommy, Carlos, thanks for your comments. I found this sketch hard to make because of the distraction of wanting to observe the new feature while meanwhile the GRS was disappearing around the bend and the rest of Jupiter was presenting a lot of detail. It could have been better, but I learn every time I go out.
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Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
APM Germany HD 15x70 binoculars
Canon 12x36 IS II binoculars
Mark I Eyeball
My CN Gallery
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Jeremy Perez
Carpal Tunnel
Reged: 08/12/04
Posts: 1930
Loc: Flagstaff, Arizona, USA
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Excellent sketch, Michael. Great catch picking up the impact scar and GRS while they were both visible.
--------------------
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frank5817
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Reged: 06/13/06
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Rich and Michael and Carlos,
I see more wonderful sketches have appeared here from you guys. I am on the road without a scope and am experiencing crystal clear skies. This is almost painful. At least I have taken pleasure in seeing all your super excellent sketches here. Kris really started a great thread here.
Frank
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my gallery
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JimPie
sage
Reged: 11/10/07
Posts: 229
Loc: S.E.Michigan
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Jeremy Rich, Michael and Carlos
Excelent sketches and reports of this rare event.
Thanks for putting these on this thread.
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Jim
12.5",f=4.8 truss dob
EQ platform,24mm pan,14mm radian, vixen LVs
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rodelaet
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Reged: 04/28/06
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Loc: 50°56' N - 4°58' E (Belgium)
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I'm deeply touched, when I see all these fine sketches.
Great work, Guys!
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Rony
My Astronomical Sketches
My Binocular Sketches
Callibrate your Monitor with this little strip.
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Jaycin
Carpal Tunnel
Reged: 07/09/06
Posts: 2146
Loc: Oregon, USA
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Rich and Michael,
Beautiful renderings of the "Scarred King"!
You guys are making me wish that I could have taken my scope to Eastern Oregon with me. Great work!
PS: Nice job of processing Rich's sketch, Carlos!
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Jason
Zhumell 8" Dobsonian
60mm Meade Telestar
Sketching the Cosmos
Messier countdown: 102 down, 8 to go!
Salem, Oregon
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CarlosEH
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Loc: Pembroke Pines, Broward County...
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Frank, Jason, Jim, and Rony
Thank you all for your compliments on my Jupiter observation showing the Wesley Comet Impact Scar (WCIS) and impact space art rendering. It has been fun following this very special event of nature. I hope that you all get a chance to observe the impact scar soon.
Carlos
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Here's quick sketch from this morning. I used a 6" refractor at 254x, a Wratten 56 and seeing was average.
I used 4H and 2H pencils. Blending done with my fingers.
Best,
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S.R.
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Special Ed
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Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Thanks, everyone.
Sol, welcome to the party!
--------------------
Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
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CarlosEH
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Loc: Pembroke Pines, Broward County...
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Sol,
An excellent observation of Jupiter showing the Wesley Comet Impact Scar (WCIS). The impact scar appears to be elongated in a southeast-northwest direction. This is due to the shearing forces of the jovian atmospheric currents. Thank you for sharing it with us all.
Carlos
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Tommy5
Carpal Tunnel
Reged: 03/28/04
Posts: 1821
Loc: Chicagoland
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Great sketch Sol, i saw the impact last night and it seems to be spresding out and is a bit dimmer than it was last week, glad you could view the event thanks for sharing.
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks guys.
I was really glad to see this event even though the weather conditions were extremely damp. In fact it rained torrentially about 20 minutes after I got all my stuff packed up.
The weather here has been horrible and has rained just about every day for months.
Best,
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S.R.
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frank5817
Post Laureate
Reged: 06/13/06
Posts: 4084
Loc: Illinois
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Sol,
It is a pleasure to see one of your planetary sketches again. You have captured the impact aftermath beautifully along with the rest of Jupiter's cloud tops.
Frank
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my gallery
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kraterkid
Post Laureate
Reged: 03/07/05
Posts: 4549
Loc: Jacumba, California
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Great sketches of Jupiter and WCIS Michael and Sol!
Michael, I was so delighted to see your excellent sketch and report, knowing that you had quite a wait before you bagged your first sketch of this extraordinary event. I hope your weather allows many more opportunities!
Sol, As always, a refined sketch of incredible beauty, sharpness and accuracy. You must have been very happy to see the weather break if even for a quick go at it. BTW, do you have any sketches with Comet Shoemaker-Levy 9? it would be a wonderful thing to see a comparison. As Frank said, great to see you back at it!
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Rich
My CN Gallery
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks.
Comet Shoemaker-Levy 9? I really haven't been sketching with a telescope that long.
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S.R.
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frank5817
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Reged: 06/13/06
Posts: 4084
Loc: Illinois
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It took me long enough but I finally got lucky.
I had my first look at the impact scar on Jupiter less than 12 hours ago. It is still worth a look if you have not seen it yet.
Clear skies were predicted for my area but it wasn’t looking good when I set up at sundown. Scud clouds were moving across my area most of the night and when they went through the sky near Jupiter’s position they made the planet boil. I increased my chances for success by using an aperture stop on the 18" inch scope, to more than double the f ratio and reduce the aperture to an unobstructed 8 ".
The scar was well past the ideal viewing position at the time I began sketching but it was clearly visible in intervals of average seeing.
Sketching:
8/5/2009 5:15 – 6:00 UT
Scope used 18" f/5 masked to 8" f/10.5
Eyepiece used: 9mm UO ortho. For 222x
Sketch made on copy paper using graphite pencils
HB, 4B and 6B, and a blending stump.
Contrast increased +2, brightness decreased -2 using the scanner
Seeing: 5/10 for short intervals
Transparency 2/5
Frank McCabe
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my gallery
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Special Ed
Post Laureate
Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Hi,
Here's a recent look at the impact site. I had to do the observation while Jupiter was still fairly low before the site rotated around the limb so the seeing wasn't very good. It's still pretty neat to see-the cloud has expanded and has less contrast now. I used HB and 2B pencils on photocopy paper and flipped the sketch east-west digitally.
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Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
APM Germany HD 15x70 binoculars
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kraterkid
Post Laureate
Reged: 03/07/05
Posts: 4549
Loc: Jacumba, California
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These are wonderful sketches Frank and Michael!
I'm hoping to get another chance at it before the party's over.
It's quite a cool thing to watch the scar evolve and dissipate, and really feel as if you participated in the documentation of this event, not one any of us is likely to see or forget again.
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Rich
My CN Gallery
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CarlosEH
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Reged: 01/19/05
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Loc: Pembroke Pines, Broward County...
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Frank and Michael,
Excellent observations of Jupiter and the Wesley Comet Impact Scar (WCIS). It is impressive how the impact scar has changed over the past few weeks since it's discovery (July 19 by Australian imager Anthony Wesley). The impact debris is being sheared apart by the jovian atmospheric currents (zonal jets). Thank you for sharing them with us all.
Carlos
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Special Ed
Post Laureate
Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Rich, Carlos--thank you very much. I agree, it is fascinating to watch the impact change over time as it is worked on by the Jovian weather. I still have a couple of weeks before school begins, so I hope to continue to follow it every opportunity the Terran weather allows.
Frank, I missed seeing your sketch when you posted it--nice detail in your observation and sketch. You caught the impact scar at a difficult time to observe it--it's a lot harder to see now when it's on the limb--great work!
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Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
APM Germany HD 15x70 binoculars
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frank5817
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Thanks guys.
Frank
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my gallery
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Tommy5
Carpal Tunnel
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Posts: 1821
Loc: Chicagoland
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Frank glad you finally were able to catch the impact scar it is much larger and dimmer then it was a couple of weeks ago , great sketch Micheal, another great jup sketch,you can compare this to your earlier drawing and have a record of this surprise event thanks again for posting, great sketches guys.
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Special Ed
Post Laureate
Reged: 05/18/03
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Loc: Greenbrier Co., WV 38N, 80W
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Thanks, T5.
I observed the impact scar on Jupiter this morning (right around midnight local time). The seeing was not the best, but I could see the dusky area OK in steady moments, especially with the Wratten #56 (green) filter.
The Jovian winds appear to be stretching and pushing it a good ways towards celestial west (preceding side)--it was very elongated. It appeared darkest toward the following end (where the strike originally hit). I could not detect any individual components of the scar which have been reported by imagers.
I decided to just focus on the Jovian southern hemisphere in this sketch, especially since the seeing wasn't the best. Once again, I used 2B and HB pencils and Sol's template on photocopy paper.
Still an interesting sight.
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Michael Rosolina
8" f/10 Orange Tube SCT
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SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
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Tommy5
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Loc: Chicagoland
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great sketch showing the evolution of the impact scar, i'll have to get another look at this when the skies become clear again.
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frank5817
Post Laureate
Reged: 06/13/06
Posts: 4084
Loc: Illinois
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Michael,
Very nice sketch update. Most summers here we get good cooperation from the weatherman, but not this year.
Thank you for posting this very fine sketch.
Frank
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my gallery
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Special Ed
Post Laureate
Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Tommy, Frank, thanks guys. Wish I could give you some help on the weather in Chicagoland.
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Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
APM Germany HD 15x70 binoculars
Canon 12x36 IS II binoculars
Mark I Eyeball
My CN Gallery
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Hi,
I had excellent seeing conditions and much lower humidity last night for this observation. I used my 6" refractor at 280x and a nebula filter.
I believe the impact area to be on the upper left in the sketch as it appeared to be an elongated, darkish and irregular band in te NPR It just didn't exactly superimpose itself on the somewhat lighter pre-existing band located there.
Tonight also presented the NTeB with a rift instead of a single fuzzy band.
I guess at this point the impact sight will fade significantly.
I used 4H and 2H pencils with the darkest features using a HB.
Best,
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S.R.
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Kris.
Pooh-Bah
Reged: 09/16/04
Posts: 1276
Loc: Belgium
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stunning observation as always Sol
you were able to push the magnification to an unusually high 280x i see from your report. i often can't go much higher than 200x, your seeing must have been excellent indeed
how high was Jupiter at the time of your sketch?
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Kris
To be old & wise, you first gotta be young & stupid
8" dob
AstroTech 66ED/APO
TAL 120 newt.
my CN sketch & picture gallery
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks very Kris.
I hardly ever get to go above ~225x for Jupiter, so this was a rare exception. I guess Jupiter was over 1/3 up approaching meridian.
BTW, does any know where there is accurate Jupiter previewing freeware? My old program seems to have gone wacky.
Thanks,
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S.R.
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Special Ed
Post Laureate
Reged: 05/18/03
Posts: 4296
Loc: Greenbrier Co., WV 38N, 80W
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Sol,
Excellent sketch! You captured that concentration in the SEB following the Great Red Spot as well as the disturbance in the South Tropical Zone also following the GRS. I've seen them in images but haven't been able to detect them visually--perhaps they require the excellent seeing that you enjoyed.
I observed Jupiter and the WIS a little after you did (from 1:25-2:15AM local). I agree, the impact is dimming significantly. I didn't make a sketch but posted a report on the Dark Impact thread in the SSO forum.
I use the WIMP program written by Jeff Beish for planets but I don't remember where I downloaded it. Maybe the MarsObservers Cafe or the International Mars Patrol?
--------------------
Michael Rosolina
8" f/10 Orange Tube SCT
4.25" f/4.2 Astroscan Reflector
SVP 3.6" f/13.6 CA Reflector
40mm PST f/10
APM Germany HD 15x70 binoculars
Canon 12x36 IS II binoculars
Mark I Eyeball
My CN Gallery
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks Michael.
I'll try to find the programs you recommended.
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S.R.
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frank5817
Post Laureate
Reged: 06/13/06
Posts: 4084
Loc: Illinois
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Sol,
Impressve detail in your Jupiter sketch above.
Frank
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my gallery
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks very much Frank.
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S.R.
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CarlosEH
Post Laureate
Reged: 01/19/05
Posts: 4138
Loc: Pembroke Pines, Broward County...
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Sol,
An outstanding observation of Jupiter showing a wealth of detail, including the Wesley Comet Impact Scar (WCIS). You have recorded interesting detail over the North Equatorial Belt (NEB) and South Equatorial Belt (SEB). The South Temperate Bely (STB) extending into the South Tropical Zone (STrZ) is interesting as well. The Great Red Spot (GRS) appears homogenous with a darkened southern border. The WCIS appears very elongated but noticeable over the South Polar Region (SPR). Thank you for sharing it with us all.
Carlos
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thanks Carlos.
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S.R.
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Tommy5
Carpal Tunnel
Reged: 03/28/04
Posts: 1821
Loc: Chicagoland
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Outstanding Jupiter sketch as always Sol, great detail thanks for posting.
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Sol Robbins
Carpal Tunnel
Reged: 12/01/03
Posts: 1609
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Thamks Tommy.
The impact site is certainly an interesting event.
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S.R.
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