· 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 >> Reflectors Post   Previous   Index   Next   Expand   Subject Poster Views Replies    Last post How to Collimate your Newtonian ( 1 2 3 4 5 6 7 8 9 all ) Vic Menard   44807 165    05/01/13 02:24 PM by beatlejuice So Ya Wanna Post A Big URL ( 1 2 all ) kiwisailor   23330 38    04/09/13 02:58 PM by Steve OK The Best of Reflectors ( 1 2 all ) Tom L   60435 27    11/06/11 04:43 AM by Beau Brummell Reflector Links of Interest ( 1 2 all ) Tom L   40908 30    05/24/11 01:30 AM by CollinofAlabama IMAGE SIZING TIPS AND GUIDELINES Tom L   12569 0    12/11/05 10:48 PM by Tom L What's on this secondary? ( 1 2 3 4 all ) robininni   1262 61    06/20/13 01:09 AM by dave brock Any 18"UC owners out there? ( 1 2 3 all ) Papa Taylor   1230 56    06/19/13 11:51 PM by GeneT New line of deluxe quartz Zambuto Teeter STS Chet Mys   471 11    06/19/13 11:43 PM by dmcrane Another innovation from Howie Glatter? ( 1 2 all ) auriga   1033 31    06/19/13 10:02 PM by Jason D A young astronomer... amicus sidera   269 4    06/19/13 09:06 PM by Bigstar obsession 12.5 inch dob larrytOMC200   306 5    06/19/13 06:33 PM by larrytOMC200 Diffraction rings ( 1 2 all ) robininni   754 21    06/19/13 02:49 PM by bunyon Which Bob's knobs for Orion XT8g secondary? Jarrod   71 4    06/19/13 01:52 PM by SteveG New Dob Maker in Astronomy Technology Today gaz-in   803 4    06/19/13 10:48 AM by George N Optimum secondary size for an Orion 10" f/4.7? Ain Soph Aur   121 3    06/19/13 09:59 AM by daveingu What's the largest size amateur dob available? ( 1 2 all ) robininni   1267 32    06/18/13 10:19 PM by Pinbout yet more secondary questions bunyon   149 5    06/18/13 04:13 PM by DavidC New (pre-owned) Teeter: questions about secondary tannehill   403 12    06/18/13 12:42 PM by dscarpa Happy Owner of Used Webster D14 JMW   388 11    06/18/13 08:51 AM by tigerroach Big dob for objects with structure and detail? ( 1 2 3 4 5 all ) robininni   2177 84    06/18/13 08:41 AM by jpcannavo Pages 1 2 3 4 5 6 7 8 9 10 11 ... 732 Extra information 10 registered and 21 anonymous users are browsing this forum. Moderator:  Jarad, ausastronomer, okieav8r  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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