You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Speciality Forums >> AstroArt Previous   Index   Next   Threaded   Pages: 1 markseibold sage Reged: 01/19/08 Posts: 385 Loc: Portland Oregon HA Prominence       #2481575 - 06/25/08 03:12 AM Edit   Reply   Quote Quick Reply   While sketching these two prominences this evening from observation through the eyepiece and upside down on the suns southern edge, I realized when I turned the sketch over, they represent H A or hydrogen alpha ? Thats the spirit! -thanks, Mark Of course they do! -Mark Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 0 registered and 2 anonymous users are browsing this forum. Moderator:  orionthehunters  Print Thread Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Thread views: 220 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 Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   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 Home

Cloudy Nights Sponsor: Astronomics