0bject | Sh2-187 Emission nebula in Cassiopeia |
Date | November 1-8, 2012 (reprocessed 2/17/2019) |
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 |