· 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] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> Mounts Previous   Index   Next   Flat   John Carruthers Skiprat Reged: 02/02/07 Posts: 2370 Loc: Kent, UK Re: Need help identifying tracking error       10/09/09 03:30 AM Edit   Reply   Quote   Quick Reply:   I'm making a lot of assumptions but 3 humps in 1000 seconds gives 1 in 330 sec aprox, not far off the worm period? Plus some polar error ? -------------------- Jc ATM 10" F6.1, 1/25th wave spec (max wavefront error +/- 1/12.6 in zone 4 of 6, sodium light ) 6" F7 spec 127mm F9.4 Refractor 10 x 50 bin ETX80 (finder) Canon 20D PST DSI 1 and a curious mind Post Extras       Entire thread Subject Posted by Posted on Need help identifying tracking error Hrundi 10/08/09 06:50 PM Re: Need help identifying tracking error rmollise   10/09/09 02:03 PM Re: Need help identifying tracking error John Carruthers   10/09/09 03:30 AM Re: Need help identifying tracking error Hrundi   10/09/09 04:37 AM Re: Need help identifying tracking error amateur   10/09/09 05:21 AM Re: Need help identifying tracking error Hrundi   10/09/09 07:03 AM Re: Need help identifying tracking error amateur   10/09/09 07:57 AM Re: Need help identifying tracking error Hrundi   10/09/09 08:19 AM Re: Need help identifying tracking error John Carruthers   10/09/09 11:35 AM Re: Need help identifying tracking error LLEEGE   10/08/09 07:55 PM Re: Need help identifying tracking error Hrundi   10/08/09 08:20 PM Extra information 16 registered and 15 anonymous users are browsing this forum. Moderator:  Charlie Hein, lineman_16735  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 194 Jump to *Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events*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   Light Pollution*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements*International Year of Astronomy 2009 - Forums are now closed.* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA CN Forums Home

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