· 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 >> Beginning and Intermediate Imaging Previous   Index   Next   Threaded   Pages: 1 RoundStars member Reged: 07/09/08 Posts: 47 Loc: Hutchinson, KS CA? *DELETED*       #3434637 - 11/07/09 12:40 PM Edit   Reply   Quote Quick Reply   Post deleted by RoundStars Post Extras:       jrcrilly Refractor wienie no more Reged: 04/30/03 Posts: 25179 Loc: NE Ohio Re: CA? [Re: RoundStars]       #3434648 - 11/07/09 12:49 PM Edit   Reply   Quote Quick Reply   Not CA. That's probably atmospheric dispersion and yes, it can be fixed by aligning the channels. CA can't be fixed, only masked. -------------------- John C Urban Observatory A&M/Astreya 76mm F/6 APO TMB/LOMO 80mm F/7.5 APO Tak FSQ-106N F/5 APO Meade 178ED F/9 "APO" Meade ETX-125AT C14 Teeter 20" F/3.8 truss Newt w/ServoCat CI-700, NJP, GPDX/SS2KPC, CG5-GT ST-10XME, DSI Pro Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 4 registered and 2 anonymous users are browsing this forum. Moderator:  Charlie Hein, knuklhdastnmr  Print Thread Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Thread views: 58 Jump to *International Year of Astronomy 2009* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA*Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning and Intermediate Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   NEO   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space Exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements CN Forums Home

Cloudy Nights Sponsor: Astronomics