· Get a Cloudy Nights T-Shirt · Submit a Review / Article Click here if you are having trouble logging into the forums Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu… uh, User You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Astrophotography and Sketching >> Sketching Previous   Index   Next   Threaded   Pages: 1 | 2 | 3 | 4 | 5 | (show all) frank5817 Postmaster Reged: 06/13/06 Loc: Illinois Re: dark impact mark on jupiter [Re: Tommy5]       #3265173 - 08/10/09 06:04 PM Edit   Reply   Quote Quick Reply   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 Post Extras:       Special Ed Postmaster Reged: 05/18/03 Loc: Greenbrier Co., WV 38N, 80W Re: dark impact mark on jupiter [Re: frank5817]       #3269507 - 08/12/09 11:05 PM Edit   Reply   Quote Quick Reply   Tommy, Frank, thanks guys. Wish I could give you some help on the weather in Chicagoland. Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: Special Ed]       #3277681 - 08/17/09 12:25 PM Attachment (89 downloads) Edit   Reply   Quote Quick Reply   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, Post Extras:       Kris. Carpal Tunnel Reged: 09/16/04 Loc: Belgium Re: dark impact mark on jupiter [Re: Sol Robbins]       #3277883 - 08/17/09 02:05 PM Edit   Reply   Quote Quick Reply   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? Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: Kris.]       #3277931 - 08/17/09 02:25 PM Edit   Reply   Quote Quick Reply   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, Post Extras:       Special Ed Postmaster Reged: 05/18/03 Loc: Greenbrier Co., WV 38N, 80W Re: dark impact mark on jupiter [Re: Sol Robbins]       #3278017 - 08/17/09 02:59 PM Edit   Reply   Quote Quick Reply   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? Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: Special Ed]       #3278283 - 08/17/09 05:15 PM Edit   Reply   Quote Quick Reply   Thanks Michael. I'll try to find the programs you recommended. Post Extras:       frank5817 Postmaster Reged: 06/13/06 Loc: Illinois Re: dark impact mark on jupiter [Re: Sol Robbins]       #3278933 - 08/18/09 12:20 AM Edit   Reply   Quote Quick Reply   Sol, Impressve detail in your Jupiter sketch above. Frank Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: frank5817]       #3279399 - 08/18/09 10:08 AM Edit   Reply   Quote Quick Reply   Thanks very much Frank. Post Extras:       CarlosEH Postmaster Reged: 01/19/05 Loc: Pembroke Pines, Broward County... Re: dark impact mark on jupiter [Re: Sol Robbins]       #3279879 - 08/18/09 02:23 PM Edit   Reply   Quote Quick Reply   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 Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: CarlosEH]       #3280302 - 08/18/09 06:00 PM Edit   Reply   Quote Quick Reply   Thanks Carlos. Post Extras:       Tommy5 Carpal Tunnel Reged: 03/28/04 Loc: Chicagoland Re: dark impact mark on jupiter [Re: Sol Robbins]       #3280332 - 08/18/09 06:14 PM Edit   Reply   Quote Quick Reply   Outstanding Jupiter sketch as always Sol, great detail thanks for posting. Post Extras:       Sol Robbins Carpal Tunnel Reged: 12/01/03 Re: dark impact mark on jupiter [Re: Tommy5]       #3281385 - 08/19/09 07:05 AM Edit   Reply   Quote Quick Reply   Thamks Tommy. The impact site is certainly an interesting event. Post Extras:       Pages: 1 | 2 | 3 | 4 | 5 | (show all) Previous   Index   Next   Threaded   Extra information 3 registered and 8 anonymous users are browsing this forum. 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