NGC 7822 is a star forming complex lying about 3,000 light years away. It includes the emission nebula Sh2-171 with its pillars of gas, dust, and young, hot stars as well as the small star cluster Berkeley 59. The nebula is primarily illuminated by an extremely hot star, BD+66 1673, which has a luminosity approximately 100,000 that of the sun.

Technical Information       
Date:                       October, 2013
Location:                 Green Valley, Arizona
Telescope:              Takahashi FSQ-106EDX
Camera:                  SBIG STT-8300M
Filters:                     Astrodon Gen 2
Mount:                     AstroPhysics 1200
Exposure:                HaLRGB = 6:6:2:2:2 hours, all unbinned
Software:                 Acquisition: Maxim DL 5, TheSkyX, Pinpoint, CCD Commander
                                Processing: CCDStack, PhotoShop CS6 with various plugins

NGC 7822  (Sh2-171)