M33  (also called the Triangulum Galaxy or NGC 598) is a spiral galaxy approximately 3 million light-years away in the constellation Triangulum. It's one of the most distant objects that can be seen with the naked eye but this requires exceptionally dark skies and good eyes!

Technical Information
Date:                    September, 2009
Location:              Green Valley, Arizona
Telescope:           Takahashi TOA 130F
Camera:               SBIG ST-200XM
Filters:                  Astrodon Gen 1
Mount:                  AstroPhysics 1200
Exposure:             LRGB = 245:75:75:75 minutes, all unbinned
Software:              Acquisition: Maxim DL 5, TheSky6
                             Processing: CCDStack, PhotoShop CS3 with various plugins