Date/Location |
October 10 & 16, 2020 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-2000XCM CCD camera -20°C |
Telescope |
William Optics 132mm f/7 Apo (with a Televue 0.8x focal reducer/field flattener yielding f/5.6) |
Mount |
Paramount MyT |
Exposure |
160 min (16 x 10 min) + 110 min H-alpha (11 x 10min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Emission nebula in the constellation Cygnus. 20 x 10 arcmin in size. Known as the Crescent Nebula. |