M 55
M 55 |
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Object data of M55 |
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| Object type: | Globular cluster (XI) | |
| Size: | 19.1' | |
| Magnitude: | 6.3 mag | |
| Constellation: | Sgr | |
| Distance: | 17,000 Ly | |
| Notes: | Messier 55 is a quite large globular star cluster in the constellation Sagittarius, but has a very loose appearence. | |
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Exposure data |
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| Date: | 2015-10-12 + 2015-10-14 + 2015-10-15 | |
| Location: | Hacienda Los Andes / Chile (1100m) | |
| Telescope: | RCOS 14.5" f/9 | |
| Camera: | FLI PL16070 with Astrodon filters | |
| Binning: | L 1x1 / RGB 1x1 | |
| Mount: | Astro-Physics AP1200GTO | |
| Exposure time: | L 6x8min + 2x3min / R 15x3min / G 15x3min / B 15x3min | |
| Exposure time total: | 3h09min | |
| Notes: | Image acquisition by CEDIC
team (Markus Blauensteiner, Christoph Kaltseis, Bernhard Hubl) Image processing by Markus Blauensteiner |
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