Size reduced 50%. The background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away
Exposure104x300 sec (8 h 40 mins)TelescopeCelestron CPC 800 EQ Mount (with Wedge) with f/6.3 Focal ReducerCameraQHY-8Filter2" Hutech IDAS Light Pollution SuppressionGuidescopeOrion EON 80mm ED f/6.25GuiderDMK 21AU04 with PHD GuidingDate2nd-5th November 2009