0bject | Sh2-188 Planetary nebula in Cassiopeia (also Simeis 22) |
Date | November 2, 2014 |
Exposure | HαRGB 300:30:30:30 (Hα + R 80/20, cropped) |
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 CS6, GradientXterminator, AstroActions, NIK Dfine2 |
Comments | Good seeing but with 1st quarter moon high in sky; acquired with CCD Commander |