Date/Location |
January 20, 2021 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-4000XCM CCD camera -20°C |
Telescope |
William Optics 132mm f/7 triplet refractor (with a Televue 0.8x focal reducer/field flattener yielding f/5.64) |
Mount |
Paramount MyT |
Exposure |
50 min (5 x 10 min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Galactic star cluster; magnitude 6.5; constellation Cassiopeia; 19.0 arc minutes in size. |
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