· 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 20 inch RC Robitic Build...a TEAM Effort.... ( 1 2 3 4 ... 52 53 54 all ) PrestonE   35379 1063    11/20/09 11:22 PM by Sky Captain A fast SS 127mm refractor assembly ( 1 2 3 4 5 all ) Happy-Idiot   2700 88    11/20/09 09:31 PM by Happy-Idiot Tube diameter Bill Morgan   140 4    11/20/09 08:34 PM by Bill Morgan 6" Triplet - F1.25? drexelpbp   623 15    11/20/09 07:00 PM by highfnum Silver shamrock MMT -- A lucky charm? highfnum   371 15    11/20/09 06:02 PM by highfnum Tuning up an ol' aluminum tripod ( 1 2 3 all ) neo   618 46    11/20/09 04:56 PM by neo A new way of channeling pitch tools ( 1 2 all ) Crayfordjon   687 30    11/20/09 11:04 AM by Crayfordjon gears and motors for eq platforms ( 1 2 all ) arpruss   625 36    11/19/09 11:06 PM by arpruss Spin Polishing - making a perfect edge ( 1 2 3 4 5 all ) mark cowan   2226 90    11/19/09 01:25 PM by rwiederrich Aluminum chopsawing noise reduction? Gordon Rayner   263 11    11/19/09 03:34 AM by Owen No CA, no coma, no image tilt, no obstruction,... ( 1 2 3 all ) Ed Jones   1331 57    11/19/09 12:37 AM by marcething Thread for my 20" Mirror Project ( 1 2 3 4 5 all ) Brian Engel   1088 84    11/19/09 12:21 AM by mark cowan Reflectors with a focal ratio of f7 - f10 Blind-Cyclops   631 14    11/18/09 07:59 PM by skywolf856 long focus newts! ( 1 2 3 4 all ) NHRob   1998 66    11/18/09 07:51 PM by skywolf856 Formatube (Sonotube equivalent) mandrel prep Ian Robinson   77 2    11/18/09 07:38 PM by Ian Robinson Telescope Diary updated GaryS   274 9    11/18/09 03:55 PM by Ed Jones Source for the formica for bearings? alanon   81 3    11/18/09 02:25 PM by Jeff Morgan What are cardboard tubes good for? ( 1 2 all ) AlienFirstClass   592 36    11/18/09 12:55 PM by Jim Romanski Here is an easy one for you pros ! UlteriorModem   313 11    11/17/09 08:35 PM by UlteriorModem Make or buy flats for testing lenses-- again KerryR   66 3    11/17/09 09:59 AM by KerryR Pages 1 2 3 4 5 6 7 8 9 10 11 ... 360 Extra information 12 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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