NGC 891
Object: Unbarred Spiral Galaxy SA(s)b?
Constellation: Andromeda
Apparent Magnitude: 10.8
Est. Distance: 27 Mly
Wikipedia link

Note: Size reduced 50%
Telescope: Celestron CPC 800 EQ Mount (with Wedge) @ f/10
Camera: QHY-8
Exposure: 15x900 sec (3 h 45 mins)
Guider: DMK 21AU04 running PHD Guiding on Orion Off-Axis Guider
Date: 17th September 2011