Date/Location |
January 17 & February 6, 2021 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-4000XCM CCD camera -20°C |
Telescope |
132mm f/7 triplet refractor (with a Televue 0.8x focal reducer/field flattener yielding f/6.4) |
Mount |
Paramount MyT |
Exposure |
210 min (12 x 5 min + 15 x 10 min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Galactic star cluster with reflection nebula; magnitude 7.4; constellation Perseus; 10.0 arc minutes in size. |