Date: Dec-27th / 28th -2016 San Diego County Mountains.
Telescope Engineering Company APO110FL @ f/5.74, 631mm.
FLI-ML16200 G1 @-30c / Guided by SBIG ST-I / w OAG.
LRGB of 150,165,135,120 all 15min subs (bin 1x1)
AP 1200CP4
http://www.mynightsky.net/Latest/NGC2170_2016.html