· 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 Star testing spherical mirrors ( 1 2 all ) Cames   412 20    11/10/09 04:51 PM by Mike I. Jones correcting a 20 f 5 kfrederick   349 16    11/10/09 04:01 PM by kfrederick Another 8" travel dob- thanks GaryS KevinP   273 4    11/10/09 10:44 AM by KevinP Source for 3.5 inch tube Bill Morgan   34 1    11/09/09 10:38 PM by Bill Morgan Tub grinder kfrederick   183 13    11/09/09 06:34 PM by kfrederick Doublet FL Measurement Subluminal   155 12    11/09/09 05:34 PM by Subluminal Cassegrain - Nasmyth Dob? Blind-Cyclops   595 19    11/09/09 01:43 PM by Kobayashi Laser polishing viable for optics?? refractory   96 2    11/09/09 01:36 PM by Mike I. Jones !2" Truss Dob Project andypod   114 2    11/09/09 01:24 PM by Sky Captain mirror question Fred G   143 4    11/09/09 10:09 AM by Fred G !2" Truss Dob Project andypod   42 0    11/09/09 09:26 AM by andypod How to run Newt 2.5 on Windows7 64 bit dave b   227 16    11/09/09 01:59 AM by cdndob building a small refractor Scopemaster   149 3    11/08/09 06:37 PM by Scopemaster More Foucault Images CosmicDave   371 10    11/08/09 05:49 PM by CosmicDave Field battery charger? NKT   91 4    11/08/09 02:30 PM by NKT plans/software for building a refractor? alfi1966   192 8    11/07/09 09:51 PM by alfi1966 Need help understanding what I'm doing. KevinP   249 4    11/07/09 03:46 PM by KevinP Focuser not in line w/ secondary rchrusciel   150 6    11/07/09 03:23 PM by MitchAlsup Building the OTA of my 10"f/16 refractor ( 1 2 3 4 ... 28 29 30 all ) rwiederrich   11550 599    11/07/09 02:10 PM by rwiederrich My telescope project...10", f5.24 dreamregent   242 8    11/07/09 12:00 AM by joe colontonio Pages 1 2 3 4 5 6 7 8 9 10 11 ... 360 Extra information 7 registered and 9 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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