You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Telescope Specific Forums >> Meade ACF/RCX / LX / GPS Previous   Index   Next   Flat   nytecam Post Laureate Reged: 08/20/05 Posts: 4928 Loc: London UK Re: M57+ NGC 7006 via Classic 12"       07/04/08 04:10 PM Edit   Reply   Quote   Quick Reply:   Jason - I've both Meade FRs eg f/6.3 and f/3.3 for my f/10 LX200 and currently using latter with short extension tube to CCD to push the f/ratio 'speed' to an even faster f/2.9 but then vignetting [shading to edge] can be a problem and needs near perfect 'flat' for imaging. Focus has never been an issue with FRs -------------------- Nytecam 51N 0.1W Meade 30cm LX200+ETX-70+DS-2090+C8+Ha+CaK PSTs SBIG SGS+homebuilt spectrographs Starlight SXVF_M9/Lodestar/Canon 300D DSLR/Fuji E550 My observatory build-ETX-70 imaging-spectro page Post Extras       Entire thread Subject Posted by Posted on M57+ NGC 7006 via Classic 12" nytecam 06/30/08 04:36 AM Re: M57+ NGC 7006 via Classic 12" nytecam   06/30/08 04:44 AM Re: M57+ NGC 7006 via Classic 12" Jason B   07/04/08 11:14 AM Re: M57+ NGC 7006 via Classic 12" nytecam   07/04/08 04:10 PM Extra information 1 registered and 5 anonymous users are browsing this forum. Moderator:  Joad  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 204 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 CN Forums Home

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