Date/Location |
March 11, 2021 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-4000XCM CCD Camera -20°C |
Telescope |
William Optics 132mm f/7 apo (with a Televue 0.8x focal reducer/field flattener to yield f/5.6) |
Mount |
Paramount MyT |
Exposure |
90 minutes (9 x 10 min) |
Processing |
CCDOpts, Images Plus 6.5, Photoshop CS6 |
Other |
M97 - Magnitude 9.8 planetary nebula; Constellation Ursa Major; 3.4 x 3.3 arc minutes in size. M108 - barred spiral galaxy, magnitude 10, 4.0 x 1.7 arc minutes. Labels on mouse-over image are galaxy magintudes. |
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