The Sh2 171 or NGC 7822 is a complex emision nebula with many darks areas an a young star cluster in the constellation of Cepheus .
 The complex encompasses the emission region designated Sh2 171, and the young cluster of stars named Berkeley 59.

Location / date

Mauna Keratea Obs - July 2010

telescope

WO Zenith Star ED70 APO Triplet

Field Flattener

Astro -Tech 2”

Mount

Sky Watcher EQ6 Pro

camera

QHY9 KAF 8300 mono CCD, Temp -20 C

Filters / Exposures

Ha 35 x 1200 sec bin 1x, Oiii 18 x 1200 sec bin 2x,Sii 28 x 1200 sec bin 2x

Total Exposure Time

27 hours in 7 days

Software

Nebulosity 2, Deep Sky Stacker, PixInght, Photoshop CS5, Starry Night, EQmod