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 Celestron Richfield 80 Vixen optics restoration gypsy   153 9    10/07/09 05:28 PM by gypsy Flame breaking glass Crayfordjon   202 7    10/07/09 11:28 AM by kfrederick Tube thickness , 315mmOD x 1.27m Newt CF Tube? Ian Robinson   223 12    10/07/09 02:03 AM by mak5 Folding Collapsible Dob Base AlienFirstClass   357 12    10/06/09 11:25 PM by Sarkikos C-14 Carbon Fiber Tube Timber   140 2    10/06/09 11:27 AM by Timber How thin can lens material be? refractory   276 10    10/06/09 12:42 AM by mark cowan 127mm diameter Opaque Projector Lens tommyhawk13   320 11    10/05/09 08:16 PM by GlennLeDrew Foucault tester modification (new idea?) greenglass   169 3    10/05/09 12:49 PM by greenglass All about coating optics at home. ( 1 2 all ) PitchHitter   764 29    10/05/09 10:14 AM by Venetia2004 Secondary Abberation Brian Engel   178 7    10/05/09 09:49 AM by sixela Dobson vs Barrel mirror grinding? F8thful   203 3    10/05/09 07:05 AM by Mark Harry Scope electctronic gadgets, and yes this is ATM. propelller fan   375 4    10/05/09 12:38 AM by tjmck Calculating exit pupil backwoody   80 4    10/04/09 11:53 PM by backwoody PVC conduit + Teflon 1.25" drawtube arpruss   132 3    10/04/09 07:52 PM by arpruss Reinforcing a GSO focuser for photography mark Jimenez   161 1    10/04/09 07:42 PM by mark Jimenez Easy DIY mount for small Newt Evaristvs   176 1    10/04/09 01:44 PM by propelller fan Mirror Cell Deman? Cary   90 2    10/04/09 01:44 PM by Gary Fuchs Mirror cells-10" in a Blacklite tube? Jerry Hyman   188 4    10/04/09 12:02 PM by Ian Robinson Homemade Dew Prevention--Mylar? Phillip Creed   259 6    10/04/09 10:21 AM by G Smith Part of spider broke bgilb   193 7    10/04/09 10:21 AM by Martin Lyons Pages 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 357 Extra information 5 registered and 6 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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