· Get a Cloudy Nights T-Shirt · Submit a Review / Article Click here if you are having trouble logging into the forums 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] 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 plans/software for building a refractor? alfi1966   544 8    11/07/09 09:51 PM by alfi1966 Need help understanding what I'm doing. KevinP   420 4    11/07/09 03:46 PM by KevinP Focuser not in line w/ secondary rchrusciel   343 6    11/07/09 03:23 PM by MitchAlsup Tube Ideas for a 10"f9 Mirror actionhac   367 2    11/06/09 09:11 PM by actionhac Mirror grinding Question RnSdriver   352 5    11/06/09 08:26 PM by Mark Harry a humble tripod for an ambitious project Birki   854 12    11/06/09 06:32 PM by plyscope Small, but decent mirrors? paul130v   422 3    11/06/09 06:22 PM by Mark Harry ATM'ing binoculars from SN6's - Comments gatorengineer   517 5    11/06/09 01:32 PM by timo4352 Dobsonian - Partial cylinder rocker "box"? derangedhermit   505 5    11/06/09 11:01 AM by grendel 6-inch f/20 schief optics Chip205   484 3    11/06/09 07:58 AM by DAVIDG Optical aberration in homemade refractor. Help... ( 1 2 all ) Photon_Wrangler   940 25    11/05/09 09:37 PM by Photon_Wrangler Advice on EQ platform ( 1 2 all ) RedIrocZ-28   1460 21    11/05/09 07:37 PM by RedIrocZ-28 IStar 6" f10 alvin58   424 3    11/05/09 06:29 PM by GlenM Kydex in Kanada northernontario   281 0    11/05/09 04:43 PM by northernontario Telescope Making Diary Updated GaryS   584 11    11/05/09 02:13 PM by GaryS 16" Full Thickness Pyrex Blank: Too Heavy to Move ( 1 2 3 all ) JohnH   3333 50    11/05/09 11:00 AM by JohnH How much teflon? dreamregent   540 18    11/05/09 01:31 AM by Starman1 Which is the best Foucault software? neo   443 1    11/04/09 10:29 PM by gregj888 Mirror support on a machine - suggestions? ( 1 2 3 all ) Brian Engel   1960 48    11/04/09 04:56 PM by Brian Engel Source for large diameter brass tubing? Jeff Young   1330 10    11/04/09 04:25 PM by Jeff Young Pages 1 ... 271 272 273 274 275 276 277 278 279 280 281 ... 624 Extra information 11 registered and 21 anonymous users are browsing this forum. Moderator:  ausastronomer, richard7  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 *Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Celestial Events*General Astronomy* -----   Beginners Forum   General Observing and Astronomy   Outreach   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    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   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*Speciality Forums* -----   Arizona Science and Astronomy Expo   NEAF (Northeast Astronomy Forum) and NEAIC (Northeast Astro Imaging Conference)   AstroArt   Astronomy Clubs and Star Parties   Astronomy Software & Computers   AstroWebsites   Science! Astronomy & Space Exploration, and Others   Space Rocks   Stellar Media*Swap and Shop* -----   Shop and Swap Audio Components*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements*International Year of Astronomy 2009 - Forums are now closed.* -----   IYA Archive Info CN Forums Home

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