NGC 891 is an spiral galaxy in the constellation Andromeda. The distance from Earth it’s about 30 million light-years away.
 The galaxy is a member of our local group of galaxies.

Location / Capture date

Mauna Keratea Obs 6-7/11/2010

Mount

Sky Watcher EQ6 Pro

Camera

QHY9 KAF 8300 mono CCD, Temp -25 C

Filters / Exposure time

Lum 25x600 sec bin 2x, RGB 12x300 sec bin 2x

Total Exposure time

7,2 ~ hours in 2 nights

Software

Nebulosity 2, Deep Sky Stacker, PixInsight, Photoshop CS5, Starry Night, EQMOD