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 How much grit wojo   117 2    10/03/09 07:50 PM by wojo Rebuild/Upgrade of my old 10" f4.66 newtonian OTA ( 1 2 all ) Ian Robinson   958 26    10/03/09 01:54 PM by Ian Robinson 6v rechargeable power solution ( 1 2 all ) Colm   272 20    10/03/09 12:36 PM by Andy Taylor Paint or Polish? GlenM   97 0    10/01/09 11:20 AM by GlenM Rigid Surfaces Contact On Only 3 Points? Nathan F   213 8    10/01/09 11:01 AM by Crayfordjon Novice optics question RedIrocZ-28   185 5    10/01/09 01:53 AM by hwhall mount design puzzle~~~~ ( 1 2 all ) cnchillstar   583 21    10/01/09 01:47 AM by cnchillstar can we estimate the PV. value from star test? wenjha   189 3    09/30/09 11:12 PM by wenjha Need help in finding adjustable feet for my dob - Jerry Hyman   117 3    09/30/09 09:10 PM by Jerry Hyman wavefront of secondary scott50   126 3    09/30/09 07:26 PM by sixela How to determine index of refraction? Brian Engel   79 3    09/30/09 05:29 PM by DAVIDG Singlet + filter arpruss   77 1    09/30/09 03:59 PM by walt r Telescope in a Smart car Dick Parker   514 16    09/30/09 02:06 PM by David L A replacement for Ebony Star Formica Achernar   624 17    09/30/09 12:58 PM by arpruss Stellar Mirrors? actionhac   152 1    09/30/09 12:15 PM by actionhac Lens configuration for finderscope eyepiece is...? magic612   144 5    09/30/09 10:49 AM by magic612 A new refractor concept ( 1 2 3 4 5 6 7 all ) Crayfordjon   3166 133    09/30/09 03:39 AM by Crayfordjon Refractor for wheelchair users Reverie   74 2    09/30/09 02:13 AM by Reverie Best books and resources for mirror making Diek   84 2    09/30/09 12:59 AM by astro744 Dobsonian base qestion (total newbie) InkDark   233 11    09/30/09 12:38 AM by David L Pages 1 ... 6 7 8 9 10 11 12 13 14 15 16 ... 357 Extra information 5 registered and 7 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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