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] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Observing >> Deep Sky Observing Previous   Index   Next   Flat   tatarjj scholastic sledgehammer Reged: 04/20/04 Posts: 905 Loc: Auburn, AL Re: Favorite DS mag?       07/21/08 09:49 AM Edit   Reply   Quote   Quick Reply:   1-2 mm exit pupil for most galaxies, 3-4mm exit pupil for medium-sized objects, 7mm exit pupil for large nebulae. Bascially, for any object, I typically like to magnify it till it spans ~5 degrees in the eyepiece, at which the benefit of magnifcation seems to drop off. -------------------- John T. Auburn, AL 25" f/4.2 Dob 18" Obsession #701 4" Stellar Vue Achromat 8X56 Binos Edited by tatarjj (07/21/08 09:51 AM) Post Extras       Entire thread Subject Posted by Posted on Favorite DS mag? Agnosticus 07/19/08 08:38 PM Re: Favorite DS mag? galaxyman   07/22/08 12:14 AM Re: Favorite DS mag? Alvin Huey   07/22/08 11:37 AM Re: Favorite DS mag? BillFerris   07/21/08 01:12 AM Re: Favorite DS mag? sgottlieb   07/21/08 03:23 AM Re: Favorite DS mag? tatarjj   07/21/08 09:49 AM Re: Favorite DS mag? Thomas_N   07/21/08 11:29 AM Re: Favorite DS mag? tatarjj   07/21/08 01:24 PM Re: Favorite DS mag? Thomas_N   07/21/08 01:52 PM Re: Favorite DS mag? tatarjj   07/21/08 01:57 PM Re: Favorite DS mag? Dave Mitsky   07/21/08 11:44 AM Re: Favorite DS mag? Tony Flanders   07/20/08 05:51 AM Re: Favorite DS mag? Agnosticus   07/20/08 07:56 AM Re: Favorite DS mag? AlanK   07/19/08 09:30 PM Re: Favorite DS mag? Jeff Lee   07/19/08 09:22 PM Extra information 1 registered and 2 anonymous users are browsing this forum. Moderator:  matt, Olivier Biot  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 321 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 Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   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 Home

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