SH2-171 is an emission nebula that is a component of NGC7822. It is believed to be between 2600 and 3000 light years from the earth.
Taken: Dec. 28, 2011
Telescope: AT80LE
Mount: G11 w/ Gemini II
Camera: SBIG ST8300M
Filter(s):
Ha: 6 x 15min.
Red: 4 x 5min.
Green: 4x 5 min.
Blue: 4x 5 min
Exposure Time: 2.5 hours
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