· 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 Previous   Index   Next   Flat   mark cowan Vendor (Obsidian Optics) Reged: 06/03/05 Posts: 2156 Loc: salem, OR Re: Thick mirrors       07/05/09 07:15 PM Edit   Reply   Quote   Quick Reply:   I certainly hope the back of the cellular is already flat. For what they cost they should be trued and ready to work. Especially so as the blank is cast with approximate ROC built in - otherwise that .3" face thickness isn't going to work in a 28"!! Best, Mark Post Extras       Entire thread Subject Posted by Posted on Thick mirrors astrolabio49 07/03/09 03:21 AM Re: Thick mirrors John Carruthers   07/03/09 06:19 AM Re: Thick mirrors polaraligned   07/03/09 07:34 AM Re: Thick mirrors mark cowan   07/04/09 02:47 AM Re: Thick mirrors *DELETED* polaraligned   07/04/09 07:56 AM Re: Thick mirrors mark cowan   07/04/09 02:51 PM Re: Thick mirrors Mike Lockwood   07/07/09 03:02 PM Re: Thick mirrors kfrederick   07/05/09 08:22 AM Re: Thick mirrors Stahi   07/05/09 11:28 AM Re: Thick mirrors mark cowan   07/05/09 07:15 PM Re: Thick mirrors Stahi   07/05/09 09:59 PM Re: Thick mirrors *DELETED* polaraligned   07/06/09 07:55 AM Re: Thick mirrors mark cowan   07/06/09 09:59 PM Re: Thick mirrors dave b   07/07/09 01:25 AM Re: Thick mirrors Houdini   07/07/09 06:44 AM Re: Thick mirrors Darenwh   07/07/09 07:02 AM Re: Thick mirrors polaraligned   07/07/09 07:32 AM Re: Thick mirrors dave b   07/06/09 12:36 PM Re: Thick mirrors *DELETED* polaraligned   07/06/09 06:11 PM Re: Thick mirrors dave b   07/06/09 06:21 PM Re: Thick mirrors polaraligned   07/06/09 07:35 PM Re: Thick mirrors Houdini   07/06/09 07:57 PM Re: Thick mirrors *DELETED* polaraligned   07/10/09 08:24 AM Re: Thick mirrors *DELETED* Houdini   07/10/09 09:21 AM Re: Thick mirrors Don W   07/10/09 04:30 PM Re: Thick mirrors Houdini   07/10/09 08:51 PM Re: Thick mirrors mark cowan   07/10/09 10:45 PM Re: Thick mirrors kfrederick   07/11/09 07:07 AM Re: Thick mirrors kfrederick   07/11/09 08:57 AM Re: Thick mirrors dave b   07/11/09 05:44 PM Re: Thick mirrors mark cowan   07/12/09 10:56 PM Re: Thick mirrors polaraligned   07/14/09 07:27 AM Re: Thick mirrors mark cowan   07/14/09 01:08 PM Re: Thick mirrors polaraligned   07/14/09 01:27 PM Re: Thick mirrors mark cowan   07/14/09 04:32 PM Re: Thick mirrors dave b   07/13/09 02:29 AM Re: Thick mirrors mark cowan   07/13/09 03:39 AM Re: Thick mirrors kfrederick   07/13/09 09:56 AM Re: Thick mirrors mark cowan   07/13/09 04:08 PM Re: Thick mirrors Owen   07/14/09 03:24 AM Re: Thick mirrors JohnH   07/14/09 12:15 PM Re: Thick mirrors kfrederick   07/12/09 05:55 AM Re: Thick mirrors polaraligned   07/06/09 08:54 PM Re: Thick mirrors Cary   07/06/09 08:22 PM Re: Thick mirrors JohnH   07/07/09 01:05 PM Re: Thick mirrors JohnH   07/07/09 01:17 PM Re: Thick mirrors Olivier Biot   07/07/09 01:29 PM Re: Thick mirrors JohnH   07/07/09 03:59 PM Re: Thick mirrors kfrederick   07/07/09 05:12 PM Re: Thick mirrors BluewaterObserva   07/07/09 09:34 PM Re: Thick mirrors Owen   07/08/09 04:57 AM Re: Thick mirrors mark cowan   07/08/09 03:55 PM Re: Thick mirrors Cary   07/08/09 04:02 PM Re: Thick mirrors mark cowan   07/08/09 04:11 PM Re: Thick mirrors dave b   07/08/09 12:01 PM Re: Thick mirrors BluewaterObserva   07/08/09 12:51 PM Re: Thick mirrors dave b   07/06/09 07:50 PM Re: Thick mirrors polaraligned   07/06/09 08:35 PM Re: Thick mirrors Houdini   07/06/09 08:58 PM Re: Thick mirrors dave b   07/04/09 11:47 AM Re: Thick mirrors Owen   07/03/09 03:41 AM Extra information 3 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 Rating: Thread views: 1417 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

Cloudy Nights Sponsor: Astronomics