Date/Location |
May 13, 2021 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-2000XCM 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 |
Celestron AVX |
Exposure |
60 min (6 x 10 min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Globularstar cluster; magnitude 10.3; constellation Coma Berenices; 4.4 arc minutes in size. |
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