· 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 Equipment Discussions >> ATM, Optics and DIY Forum Post   Previous   Index   Next   Expand   Subject Poster Views Replies    Last post source of autocollimation flats? NHRob   236 6    12/05/08 10:00 AM by Venetia2004 Focuser advice for 16" Dob G4yvm   155 1    12/04/08 07:00 PM by llanitedave wish me luck John Carruthers   313 14    12/04/08 02:35 PM by John Carruthers Accuracy of the Argo Navis PierreDesvaux   153 1    12/04/08 10:11 AM by dave b Protpstar 'Blacklite' Tubing oldtimer   244 5    12/04/08 12:28 AM by HiggsBoson Scatterplate interferometry Cary   247 11    12/03/08 08:09 PM by colinsk Heads up on good paint deSitter   256 6    12/03/08 06:33 PM by Happy-Idiot Probability gods smile (finally) oldtimer   163 1    12/03/08 06:03 PM by neo Krylon Ultra-Flat 1602 Gary Fuchs   373 0    12/03/08 05:47 PM by Gary Fuchs ways to determine truss pole length of Dobs readynow   317 11    12/03/08 04:51 PM by readynow Making a long F.L. (100 foot) six inch mirror bob71741   222 4    12/03/08 03:15 PM by bob71741 The Ultimate in thermal stability telescope tube gnabgib   337 3    12/03/08 02:00 PM by EJN I need help finding an old picture!! HendyPhoto   289 10    12/03/08 12:59 PM by Ed Jones Star Test Question Larry Geary   249 6    12/02/08 10:52 PM by mark cowan Fingernails and Pyrex ( 1 2 all ) jdownie   518 20    12/02/08 08:18 PM by refractory Source for 2" secondary? peter k   216 7    12/02/08 06:33 PM by peter k Old 12" mirror project theoUK   285 9    12/02/08 06:13 PM by G4yvm B&L Aero Tessar focal length ? JJordan   273 7    12/02/08 06:07 PM by GlennLeDrew "New" tool made out of scrap stuff. Mark Harry   394 4    12/02/08 08:11 AM by Mark Harry WHICH FOCUSER ? ( 1 2 all ) Alan A.   768 26    12/01/08 02:18 PM by alancygnusx2 Pages 1 ... 77 78 79 80 81 82 83 84 85 86 87 ... 360 Extra information 6 registered and 2 anonymous users are browsing this forum. Moderator:  Don W, Mike I. Jones  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Legend: New posts New posts No new posts No new posts Topic with over 25 replies or 250 views Sticky topic Event topic Poll Attachment Show active in the last day active in the last 2 days active in the last week active in the last 2 weeks active in the last 3 weeks active in the last month active in the last 3 months active in the last 6 months active in the last year from all dates 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

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