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 Assembling a 10" f/5 Newtonian OTA for visual use derangedhermit   84 0    10/17/09 11:04 AM by derangedhermit Building a Collimation Drift Proof Truss Dob? ( 1 2 all ) Nathan F   875 28    10/17/09 09:08 AM by 474747 Want to attempt first mirror ( 1 2 all ) ndelo   359 22    10/17/09 08:02 AM by Mark Harry Large diameter mirror cell in action question mtb54703   173 5    10/17/09 01:02 AM by davidpitre Aluminium tube thickness recommendation for 10" ? Ian Robinson   168 3    10/16/09 10:15 PM by Ian Robinson Jazzing up a Galileoscope? bugbear   160 2    10/16/09 10:05 AM by bugbear buy C14 vs dob? scopelover   72 0    10/16/09 02:15 AM Jaegers focuser help BillinBallard   166 5    10/15/09 09:36 PM by actionhac inflexible threaded rod ( 1 2 all ) arpruss   359 23    10/15/09 07:04 PM by polaraligned 216mm Newt Project markgliderpilot   106 6    10/15/09 04:28 PM by perfessor Minor emergency... Please help! dreamregent   185 5    10/15/09 04:02 PM by dreamregent Thinking about a OTA upgrade to Carbob fibre. ( 1 2 all ) Ian Robinson   400 25    10/15/09 10:13 AM by mark Jimenez Fused glass mirrors Steve W   245 4    10/14/09 05:21 PM by mark cowan Roughness and its complement ( 1 2 all ) mark cowan   494 29    10/14/09 05:16 PM by mark cowan Diffraction pattern from threaded rod? deSitter   209 5    10/14/09 05:14 PM by mark cowan white fuzzy pads on tool Mark Harry   119 1    10/13/09 08:45 PM by mark cowan Question on optical quality ( 1 2 all ) Jimmy2K63   1075 36    10/13/09 05:08 PM by pstarr The production ready Zerochromat refractor Crayfordjon   76 0    10/13/09 01:39 PM Aluminium tubed newtonians Ian Robinson   219 1    10/13/09 03:48 AM by Bird Yay!!! I finished my mirror!! dreamregent   520 14    10/13/09 02:46 AM by dreamregent Pages 1 ... 3 4 5 6 7 8 9 10 11 12 13 ... 357 Extra information 2 registered and 8 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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