| | GLobular | M72 | Messier 72 | NGC 6981 | | This dim globular hosts over 100,000 stars. The brightest is 14.2 mV, and the brightest 25 average 15.9 mV. It's 106 light years across. At Class IX, it's very loose. | | |
| Details: | | Night of: | Sunday September 24, 2017 | Site: | Laguna Niguel | Local Time: | 10:15 AM | Sep 24, 2017 | Altitude: | 43° | | RA: | 20h 53m 28s | Declination: | -12d 32' 14" | | Distance: | 54,570 light years | Magnitude: | +9.4 mV | Size: | 6.6' |
| | Camera Settings: | | Telescope: | 9.25-SCT | Camera: | Celestron NightScape + f/6.3 Reducer | f/ratio: | f/6.3 | Pixel Scale: | 1.45 arcsec | Image Size: | 997 x 841 pixels (0.8 MP) | | 24.1' x 20.3' | Exposure: | 30 sec | |
Stacked Frames: | 13 | Total Integration: | 7 minutes | | Post Processing: | t-shirt flats
stacked in aa6 |
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