Date/Location |
June 8, 2018 KEASA Observatory, Barking Sands, Kauai, Hawaii |
Camera and Settings |
SBIG ST-2000XCM CCD camera -10°C |
Telescope |
8-inch f/8 Ritchey–Chrétien Cassegrain (with a Televue 0.8x focal reducer/field flattener yielding f/6.4) |
Mount |
Paramount MyT German equatorial mount |
Exposure |
60 min (6 x 10 min) |
Processing |
CCDOpts, Image Plus 6.5, Photoshop CS6 |
Other |
Mag. 8.8 globular star cluster in Ophiuchus. 23 arc minutes in diameter. Cluster stars difficult to distinguish from foreground Milky Way stars! |