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| Catalogue and alternative designations | m72,
ngc 6891
|
| Type | Globular Cluster |
| Position | 20 53 28, -12 32 14 |
| Constellation | Aquarius |
| Camera and Telescope | STXL11002 and 36.8 cm Ritchey Chretien |
| Focal Ratio | F9 |
| Exposure Details | LRGB 150:90:100:100 luminance unbinned, colours binned 2x2 with Baader filters |
| Description |
This is the second and less impressive Messier globular cluster in Aquarius at magnitude 9.4 and 1.5' in diameter. The brighter one is M2. M72 is about 55,000 light years distant. |