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Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing

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Mike B.
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Reged: 10/24/05
Posts: 1666
Loc: Louisiana
8p Tuttle / M33 Encounter - It's On!
      #2084324 - 12/30/07 09:04 PM

Below are some images of Comet Tuttle sailing past M33 that I took tonight. The images are "raw" and unprocessed, except for a quick-click color balance and curves boost to see the image well enough:


8p Tuttle and M33. 6:14 pm CST (Dec 31, 0:14 UT)


8p Tuttle and M33. 6:44 pm CST (Dec 31, 0:44 UT)


8p Tuttle and M33. 7:26 pm CST (Dec 31, 1:26 UT)

All images are 1 minute subs shot at ISO 1600 with a TV-85 at F/5.6 (480mm F.L.) and a Hutech Canon 350XT w/IDAS-LPS filter.

--------------------
Clear skies!

Mike B.
My Homepage and Astrophotos


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Dave M
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Posts: 4837
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Mike B.]
      #2084416 - 12/30/07 09:46 PM

Nice job Mike, cant wait to see the processed results.
Nothin but clouds here, i might be able to get it Thursday
night from a mag 7+ dark sky site, now watch me jinx myself
for saying that..

--------------------
Dave
Meade 16" F4.5 EQ Starfinder
Meade 10" SCT / Losmandy G11
Tak FSQ106ED
Canon 20D
SBig ST-4
http://www.spacew.com/gallery/DM
Ps 19:1 The Heavens Declare the Glory of GOD.




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ChazK
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Reged: 11/23/05
Posts: 1453
Loc: Melbourne, Florida
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Dave M]
      #2084464 - 12/30/07 10:05 PM

Very nice! I can't wait to see the finished product!

--------------------
Tak TOA 130mm/NJP Temma2
Tak FS 60CB
Canon 40D (unmodded)
Astronomik CLS
Canon EF 28-135mm f/3.5-5.6

www.digitalunatic.com


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iceman
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: ChazK]
      #2084747 - 12/31/07 12:23 AM

Can't wait for the final, Mike! lovely raws.

--------------------
Mike
. mikesalway.com.au - Astronomy and Photography by Mike Salway
. IceInSpace - The Australian Amateur Astronomy Community
. My Bio | My Jupiter 2007 Gallery | My Image Gallery


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Tonk
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: iceman]
      #2084906 - 12/31/07 03:25 AM

Super! Total cloud out here

--------------------
Televue 85, GM-8/Gemini, Canon 10D, Canon 450D -DSLRAstromod'ed with Astronomics UV/IR clip-in filter
Coronado SM60/BF10, Baader Herschel Wedge
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novbabies
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Tonk]
      #2084949 - 12/31/07 05:21 AM

Mike, great shots. It was cloudy and rainy all day bu miraculously and spectacularly cleared about 8:20 PM EST.

Below is my report (feel free to skip the Comet Holnmes stuff in the middle ):

12-30-07 8:42 PM EST Bishop GA: The rains and clouds that persisted these past three days departed suddenly, and the washed-clean sky above was black and spectacularly clear and transparent. The wind was light, the temperature was low 50s, and the humidity felt low to medium. Shades of visions: I thought my former dark rural SE CT skies were great; this sky beats the heck out of any I’d seen there! The Pleiades fairly glowed, Orion was made from sparkling jewels, but the showstopper and eyeopener for me were Perseus and Cassiopeia. Naked eye, I saw more Milky Way there than I’d EVER seen before. The Double cluster was an easy naked-eye target, and M31 was breathtaking in its expanse even with direct vision!

Comet Holmes was a huge (1° +) diffuse oblong shape, now far removed from its earlier Melotte 20 climes, yet quite distinct by naked-eye against the velvet-coal background. Quantum leap: bringing up the 7x35 binocs, the comet remains a large and diffuse oblong, but now the central cigar-shaped jet it quite prominent.

Quite prominent too is a diffuse and much smaller patch that upon some closer scrutiny resolves a bit into tint closely packed stars. This is M34, a lovely bright open cluster that has an expanse of 25’. Judging against that number, I would estimate Comet Holmes as almost 1.5° across !!

The other and remaining reason to venture out into the ubiquitous red mud: 8P Comet Tuttle’s approach to M33. I know where M33 is versus the constellations of Andromeda, Triangulum, and with respect to the orientation of M31 to them; so in short order, I am gazing with the 7x35s at a PAIR of fuzzy objects! M33 I am judging to be the somewhat fainter and a bit smaller of the pair, Comet Tuttle the round, bright nucleus object less than ½° removed. Although with the smaller aperture of the binocs I did not perceive color, the pairing was QUITE impressive !

As humans, we second-guess ourselves all the time. Up until tonight, I was horribly uncertain, despite CSC and Google Earth, that I’d made a good choice in sky conditions for my home observing site.

I am no longer uncertain, last night whisked me back 24 years to the very dark skies of northern Vermont, the best I’ve actually experienced!

--------------------
Good Seeing!

Mark

Orion 12" XTi f/4.9


VERY old Edmund 6" f/8 reflector
Assorted binoculars


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Mike B.
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Reged: 10/24/05
Posts: 1666
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: novbabies]
      #2085281 - 12/31/07 10:40 AM

Thanks, everyone!

I worked through the night and I have some preliminary "finals" for the encounter. I used a batch of 30x300 sec @ ISO 400 subs of M33 that I took on Dec 4th, 2007 as a base. I shot these in preparation for this event. I combined that image with 81x60 sec ISO 1600 subs-images of 8p Tuttle and M33 together. Here's a couple different renditions that are just different orientations and crops:

North Up Image:




North to Left Image and a tighter crop:



The 81 subs were aligned on the comet then median combined to produce a comet-only image. I subtracted the comet-only image from the subs to produce a stars only image. Combining those two gave me a stars and comet image with no trailing. I then used Registar and put the 30x300 sec M33 image and the stars and comet image together.

I could probably spend days toying with the subs and trying to get the best view. But, I kinda prefer the second image with the tighter crop at the moment. Which one looks best to you guys?

--------------------
Clear skies!

Mike B.
My Homepage and Astrophotos


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Star surfer8
super member


Reged: 05/15/06
Posts: 411
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Mike B.]
      #2085313 - 12/31/07 10:49 AM

Great processing job Mike! Awesome!

--------------------
Tom


Edited by Star surfer8 (12/31/07 01:21 PM)


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stefsaber
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Loc: Rainy Florida
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Star surfer8]
      #2085340 - 12/31/07 11:04 AM

Sweet

Thanks for sharing!!!

--------------------
-Stefan

"It’s not the fall that kills you; it’s the sudden stop at the end." -Douglas Adams

Current Scopes: "Gator" William Optics 66SD---Black Swan William Optics Megrez 80 II ED Triplet---Zhumell 10" Dob
-Sirius Mount---Canon Rebel XT-
Past Scopes: ETX 90---Vixen ED80Sf

Fort Myers, FL



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Joe G
scholastic sledgehammer


Reged: 01/10/07
Posts: 757
Loc: Southern California
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: stefsaber]
      #2085401 - 12/31/07 11:32 AM

Just awesome shots!

--------------------
Tak FSQ 106N, 8" F4 GSO, 10" F4.7 Orion
CCD Labs Q453 (Q8)
TSS Modded Atlas

My Flickr Astrophotos:

http://www.flickr.com/photos/10168933@N08/

Click on the image->All sizes for larger images


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thelittleman
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Reged: 05/21/05
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Joe G]
      #2085606 - 12/31/07 01:29 PM

Wow! Awesome stuff Mike

--------------------
Clear Skies,
Peter

Photoshop Tutorials and Actions! New actions now added

Preprocessing in Iris Tutorial

http://peter-morris.magix.net/


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David Rosenthal
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: thelittleman]
      #2085626 - 12/31/07 01:35 PM

WOW That came out awesome. Great work!

--------------------
David Rosenthal | Midland Park, NJ


My Image Gallery
http://www.EastCoastAstro.com

Atlas EQ-G EQMOD USBDIR
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Dave M
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: David Rosenthal]
      #2085679 - 12/31/07 01:58 PM

Excellent! job, Mike .. Color looks great.

--------------------
Dave
Meade 16" F4.5 EQ Starfinder
Meade 10" SCT / Losmandy G11
Tak FSQ106ED
Canon 20D
SBig ST-4
http://www.spacew.com/gallery/DM
Ps 19:1 The Heavens Declare the Glory of GOD.




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Pablo
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Reged: 07/15/06
Posts: 62
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Dave M]
      #2085721 - 12/31/07 02:22 PM

very nice,
bella.

--------------------
Pablo A. Vasquez.
CGE-1100,ED80,WO 66 SD
Canon 350XT, DSI-pro, Nextimagen.
GSO 200 F/4.


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weatherandsky
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Pablo]
      #2085946 - 12/31/07 04:21 PM

This is incredible Mike!!!!

--------------------
Kerry
* Weather and Sky Photography *

QHY-8, Canon 40D unmodded, Meade DSI-C
Meade 12" LightBridge
Celestron C6-SCT
Sky-Watcher Equinox 80mm APO
Omcon 4.5" Newt
Celestron Skymaster 15x70
Canon 50 f1.8, 100 f2.8Macro, 100-400 f4.5-5.6L, Sigma 17-70, 18-50, 28-300
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ChazK
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Reged: 11/23/05
Posts: 1453
Loc: Melbourne, Florida
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: weatherandsky]
      #2086038 - 12/31/07 05:19 PM

Awe inspiring!

--------------------
Tak TOA 130mm/NJP Temma2
Tak FS 60CB
Canon 40D (unmodded)
Astronomik CLS
Canon EF 28-135mm f/3.5-5.6

www.digitalunatic.com


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cvedeler
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: ChazK]
      #2086139 - 12/31/07 06:09 PM

Wow! Awesome shots!!!

--------------------
Chris Vedeler

Astro-Physics 160EDF
Astro-Physics 900GTO
Q453HR / QHY8 CCD camera
Canon 450XSi
----------------------------
www.aznightsky.com


Scottsdale, AZ


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novbabies
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: cvedeler]
      #2086144 - 12/31/07 06:10 PM

Mike, fabulous - I'm getting out tonight !!!!

--------------------
Good Seeing!

Mark

Orion 12" XTi f/4.9


VERY old Edmund 6" f/8 reflector
Assorted binoculars


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Mike B.
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Reged: 10/24/05
Posts: 1666
Loc: Louisiana
Re: 8p Tuttle / M33 Encounter - It's On! new [Re: novbabies]
      #2086231 - 12/31/07 06:46 PM

Thanks guys! Glad everyone liked them.

I posted the single-sub jpegs as soon as I could because I knew some of you were clouded out. Hope that helped for those in that predicament.

It was really fun shooting this last night. Processing was tough and I was very bleary-eyed and tired by the time I posted the first "finals." I'm still at it, btw. I think I have a better rendition almost finished. I also have 25x210 sec sub-images that were guided on the moving comet left to process. It will be interesting to see how those turn out.

--------------------
Clear skies!

Mike B.
My Homepage and Astrophotos


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Gregk
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Re: 8p Tuttle / M33 Encounter - It's On! new [Re: Mike B.]
      #2086239 - 12/31/07 06:53 PM

Will this occulation or whatever it's called happen again tonight? Thanks Greg

Excellent shot.....

--------------------
www.azspaceblog.com/

SkyWatccher EQ-6 Goto mount
Celestron ED80 Piggy back with william Optics 66mm APO
Meade LX-50 Piggy Back with william Optics 66mm APO
Celestron ED80 Piggy back with Canon Xt


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