M 22
M 22 |
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Object data of M22 |
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| Object type: | globular cluster (VII) | |
| Size: | 32' | |
| Magnitude: | 5.1 mag | |
| Constellation: | Sgr | |
| Distance: | 10,400 Ly | |
| Notes: |
Messier 22 is one of the brightest globular clusters in the sky. At 10,400 light years, it is one of the nearer globular clusters. The above images with higher resolution show a faint short line south east of M22. This is the minor planet Maria (170), which passed M22 September 10, 2009. |
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Exposure data |
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| Date: | 2009-09-09 + 10 | |
| Location: | La Palma / Spain (1700m) | |
| Telescope: | TeleVue NP101 (4" Apo f=540mm) | |
| Camera: | ST2000XM with CFW8 and Baader Filters | |
| Binning: | L 1x1 / RGB 1x1 | |
| Exposure time: | L 32x2m / R 5x5m / G 5x5m / B 5x5m | |
| Exposure time total: | 2h 19m | |
| Notes: | Drizzle for 150% size | |
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