· 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 Hubble Optics light-weight mirrors ( 1 2 all ) scott50   2213 36    10/09/08 11:18 PM by Crashy another interferometer ( 1 2 all ) Ed Jones   1020 36    10/24/08 09:17 AM by Ed Jones Question on optical quality ( 1 2 all ) Jimmy2K63   1110 36    10/13/09 05:08 PM by pstarr My 8" f4 carbon fiber tube project ( 1 2 all ) mark Jimenez   856 36    09/22/09 10:02 PM by mark Jimenez What are cardboard tubes good for? ( 1 2 all ) AlienFirstClass   608 36    11/18/09 12:55 PM by Jim Romanski gears and motors for eq platforms ( 1 2 all ) arpruss   644 36    11/19/09 11:06 PM by arpruss My new 5" newtonian 'Light Bucket" ( 1 2 all ) Eric Gibson   1184 35    05/21/08 08:14 PM by Eric Gibson Fiberglass telescope tubes ( 1 2 all ) imhotep   865 35    05/13/08 04:02 PM by cocobolo Rouge vs vinegar ( 1 2 all ) sdufoer   969 35    05/31/08 03:36 PM by sdufoer What kind of compressed air? ( 1 2 all ) cosmic camper   724 35    07/03/08 09:39 PM by photonovore Friction Knobs/ Locks ( 1 2 all ) TheDarkOne   954 35    12/07/08 09:15 PM by Jim Romanski ATM-MCL ( 1 2 all ) Chriske   1390 35    04/27/09 01:18 AM by Olivier Biot Autocollimation flat mirror ( 1 2 all ) Venetia2004   777 35    10/14/08 03:49 PM by Bill Cheng 14-inch lightweight dobsonian ( 1 2 all ) Mirzam   992 35    02/22/09 08:13 AM by Mirzam 12.5" Scope Redesign ( 1 2 all ) Undermidnight   895 35    05/30/09 08:31 AM by Undermidnight H-alpha scope rebuild ( 1 2 all ) Gary Fuchs   736 35    06/10/09 09:56 AM by Gary Fuchs Need help collimating mirror with central hole ( 1 2 all ) bbbriggs   677 35    06/10/09 01:06 AM by Gordon Rayner Televue Achromat Corrector? ( 1 2 all ) Mike I. Jones   799 35    08/19/09 06:36 AM by Darenwh Truss type design software or info on design specs ( 1 2 all ) The bear   1146 34    04/17/08 01:08 AM by The bear Double-Pass Autocollimation Test ( 1 2 all ) Gary Fuchs   1247 34    04/23/08 02:34 AM by Chriske Pages 1 ... 6 7 8 9 10 11 12 13 14 15 16 ... 360 Extra information 14 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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