Last updated on 10/26/2014



0bject Sh2-187 Emission nebula in Cassiopeia
Date November 1-8, 2012
Exposure LHαRGB 117:480:60:60:60 (cropped; 13 hours total)
Camera STL11000M with AstroDon Gen II filters (water-assisted cooling)
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS5, GradientXterminator, AstroActions
Comments Some moonlight interference; strong gradients to correct.  Acquired with CCD Commander