Date/Location |
May 8, 2021 Jubilee College State Park, Illinois |
Camera and Settings |
SBIG ST-4000XCM CCD camera |
Telescope |
8-inch f/8 Ritchey–Chrétien Cassegrain (with a Televue 0.8x focal reducer/field flattener yielding f/6.4) |
Mount |
Paramount MyT |
Exposure |
50 min (5 x 10 min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Magnitude 9.2 globular star cluster in the Constellation Ophiuchus 15.2 arcmin in diameter. The bright star is SAO 141665 magnitude 4.5. |
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