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