· Get a Cloudy Nights T-Shirt · Submit a Review / Article    Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy 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] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing Previous   Index   Next   Threaded   Pages: 1 D_talley scholastic sledgehammer Reged: 07/07/05 Posts: 890 Loc: Richmond VA Comet Holmes size change       #2092856 - 01/03/08 02:20 PM Attachment (54 downloads) Edit   Reply   Quote Quick Reply   Here are two shots of Comet Holmes. One in November and the other taken Dec 31. Same camera/telescope setup. This is the November shot. Canon 350d Meade 14 Unguided. -------------------- Dwight SBIG ST2000xm TEC 140 APO #74 Meade LX200 14 OTA Orion 12.5 DOB Celestron C8+ Celestron 102AZ Losmandy G11 Gemini Argo Navis Canon 350D self mod Hyperstar ST-4 Guider STV Guider Edited by D_talley (01/03/08 02:21 PM) Post Extras:       D_talley scholastic sledgehammer Reged: 07/07/05 Posts: 890 Loc: Richmond VA Re: Comet Holmes size change [Re: D_talley]       #2092864 - 01/03/08 02:23 PM Attachment (48 downloads) Edit   Reply   Quote Quick Reply   Here is the December 31 size. Same Camera/telescope. -------------------- Dwight SBIG ST2000xm TEC 140 APO #74 Meade LX200 14 OTA Orion 12.5 DOB Celestron C8+ Celestron 102AZ Losmandy G11 Gemini Argo Navis Canon 350D self mod Hyperstar ST-4 Guider STV Guider Post Extras:       thelittleman Vendor (Peter's Actions) Reged: 05/21/05 Posts: 4077 Loc: Hampshire, UK Re: Comet Holmes size change [Re: D_talley]       #2092897 - 01/03/08 02:35 PM Edit   Reply   Quote Quick Reply   Wow Dwight that is quite an interesting comparison. The last time I looked at the comet through the scope was in your first image (although I have seen it naked eye more recently). Great images too! -------------------- Clear Skies, Peter Photoshop Tutorials and Actions! New actions now added Preprocessing in Iris Tutorial http://peter-morris.magix.net/ Post Extras:       novbabies Postmaster Reged: 06/05/05 Posts: 15678 Loc: Northern Georgia! Re: Comet Holmes size change [Re: thelittleman]       #2094144 - 01/03/08 09:46 PM Edit   Reply   Quote Quick Reply   WOW - to see it really makes it hit home ! -------------------- Good Seeing! Mark Orion 12" XTi f/4.9 VERY old Edmund 6" f/8 reflector Assorted binoculars Post Extras:       LLEEGE Running out of Oxygen Reged: 03/03/05 Posts: 9078 Loc: Cloud-chester,NY Re: Comet Holmes size change [Re: novbabies]       #2094907 - 01/04/08 07:56 AM Edit   Reply   Quote Quick Reply   Are they the same exposure length? If not, that would explain the size difference. -------------------- "Okay! You draw the straws. I'm-a taking the parachute." Post Extras:       tidroplane Pooh-Bah Reged: 10/02/06 Posts: 1180 Loc: Everett, Wa. USA Re: Comet Holmes size change [Re: LLEEGE]       #2096011 - 01/04/08 03:37 PM Edit   Reply   Quote Quick Reply   The growth of the comet is amazing! -------------------- Clear skies.....David AT111EDT AT80EDT-CF AT66ED G-11, Gemini ST2000XCM Post Extras:       David Pavlich Postmaster Reged: 05/18/05 Posts: 8668 Loc: Mandeville, LA USA 30.22 X 90.... Re: Comet Holmes size change [Re: tidroplane]       #2096396 - 01/04/08 05:45 PM Edit   Reply   Quote Quick Reply   Very nice comparison shots! David -------------------- Proud Member; PAS NOLA, "If we knew what we were doing, it wouldn't be called research..." A. Einstein Post Extras:       SolidAhmed sage Reged: 10/16/06 Posts: 411 Loc: Los Angeles Re: Comet Holmes size change [Re: David Pavlich]       #2116878 - 01/13/08 07:29 AM Edit   Reply   Quote Quick Reply   Nice indeed. -------------------- Celestron C6-S GT Schmidt-Cassegrain w/XLT Canon Digital Rebel XTi F-S 18-55mm f/3.5-5.6 Lens Vixen 10x50 www.InterstellarArt.com Nature does not hurry, yet everything is accomplished. Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 4 registered and 6 anonymous users are browsing this forum. 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