· 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 Focal Length Question TheDarkOne   524 18    02/07/08 09:43 AM by jdownie Flatness of transmission elements Mark Harry   168 4    02/07/08 12:56 PM by Mark Harry Aluminum tube and metal supplier John Jarosz   616 19    02/07/08 01:23 PM by Mike Clemens Mechanizing a dob? Help us generate some buzz. MtnGoat   347 16    02/07/08 02:30 PM by Tom L Woodie cocobolo   165 0    02/07/08 10:42 PM Woodie cocobolo   188 0    02/07/08 10:44 PM Are the forces on a GEM mounted newtonian......... APM America   302 8    02/08/08 07:19 AM by RogerRZ A simple engineering question mconnelley   348 13    02/08/08 07:27 AM by Owen Woodie cocobolo   206 0    02/08/08 03:51 PM Really *really* dumb refractor ATM question twhite   596 10    02/08/08 08:44 PM by BillB9430 Stellarsaur scope Pentax 110mm f 500 BHunt   175 3    02/08/08 11:45 PM by Mike Clemens Where to buy Off-The-Shelf AC or DC drive system Art Bianconi   611 18    02/09/08 08:31 AM by Art Bianconi Special Thanks Adventurer   227 0    02/09/08 09:12 AM by Adventurer Can you reduce MN mirror spacing to Binoview ?? gatorengineer   156 1    02/09/08 05:34 PM by V.A. Telescope from camera stuff Protheus   414 15    02/09/08 06:36 PM by ccs_hello mirror stand question wirenut   157 1    02/09/08 08:22 PM by taylorcraft078 I just may take the plunge cuzimthedad   344 18    02/09/08 09:20 PM by cuzimthedad Making my first Dob? nolev77   179 3    02/09/08 09:58 PM by John Jarosz Please post a picture of your Surplus Shed 80mm ( 1 2 3 all ) TheDarkOne   1393 44    02/09/08 11:29 PM by ken scharf Portamount tray upgrade ( 1 2 all ) jayscheuerle   538 22    02/10/08 09:52 AM by Manny Myles Pages 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 361 Extra information 9 registered and 5 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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