You are not logged in. [Login] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Observing >> Solar Previous   Index   Next   Flat   DavidM sage Reged: 03/25/06 Posts: 235 Loc: Sohar, Oman Re: Helios?       03/11/08 10:54 PM Edit   Reply   Quote   Quick Reply:   I haven't looked in detail, but I thought the Lunt etalon had no central obstruction, which would give more contrast. -------------------- David 16" Meade Lightbridge 70 mm Coronado Helios 1 H-a scope 8" Celestron 8iSE 80 mm Orion EON Post Extras       Entire thread Subject Posted by Posted on Helios? colinsk 03/11/08 02:50 PM Re: Helios? Ralph Marantino   03/11/08 03:08 PM Re: Helios? colinsk   03/11/08 07:09 PM Re: Helios? DavidM   03/11/08 09:32 PM Re: Helios? colinsk   03/11/08 10:49 PM Re: Helios? Oldfield   03/11/08 10:50 PM Re: Helios? colinsk   03/12/08 12:58 AM Re: Helios? colinsk   03/12/08 01:03 AM Re: Helios? DavidM   03/11/08 10:54 PM Re: Helios? DavidM   03/11/08 11:01 PM Extra information 15 registered and 8 anonymous users are browsing this forum. Moderator:  Don W, spaceydee  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 472 Jump to *Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events*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   Light Pollution*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements*International Year of Astronomy 2009 - Forums are now closed.* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA CN Forums Home

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