· 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 Make or buy flats for testing lenses? KerryR   36 0    11/14/09 01:16 PM by KerryR 152mm f/7,5 4 lens superapo build alfi1966   214 3    11/14/09 12:18 PM by alfi1966 First foucault test.... Mason Dixon   116 6    11/14/09 11:29 AM by molniyabeer Got Rocker Box for Orion 203mm f4.9? Doug Neal   13 0    11/14/09 10:34 AM Request for Comment: A Star Test: HiggsBoson   55 1    11/14/09 01:47 AM by mark cowan A question for Royce conical owners imhotep   387 11    11/14/09 12:52 AM by Mike Phillips Thread for my 12.5" RC ( 1 2 3 4 all ) jasonharris   1381 67    11/13/09 11:39 PM by PrestonE Grinding question wojo   41 1    11/13/09 11:01 PM by GlennLeDrew Signature change... ( 1 2 all ) sixela   431 22    11/13/09 09:14 PM by DSalters "new" doublet? Mark Harry   329 16    11/13/09 02:35 PM by Loren Chang Long fl singlet performance? ( 1 2 all ) orion63   487 38    11/13/09 11:06 AM by highfnum I'd like to test my wavefront accuracy RonBurgundy   322 10    11/12/09 09:19 PM by RonBurgundy 1/2" thick quartz-where? Mark Harry   217 7    11/12/09 05:47 PM by Ed Jones Better alternative to Bahtinov Focusing Mask Mike I. Jones   1127 15    11/12/09 01:59 PM by Mert Rita followup Pedestal   120 3    11/12/09 08:55 AM by Spoonsize Little bar spherometer RossSackett   198 7    11/11/09 11:17 PM by mark cowan Question on mirror polish progression... molniyabeer   186 8    11/11/09 11:16 PM by molniyabeer Spherical Telescope Mirrors Mike I. Jones   262 10    11/11/09 03:50 PM by sixela Mirror coatings Kent Blackwell   159 5    11/11/09 03:44 PM by polaraligned Balancing a Truss Dob - Formulas in the Krieg Book TheRock   163 8    11/11/09 01:00 PM by Jim Moscheck Pages 1 2 3 4 5 6 7 8 9 10 11 ... 360 Extra information 4 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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