Messier 3
Messier 3 |
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Object data of M3 |
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| Object type: | globular star cluster (VI) | |
| Size: | 18.6' | |
| Magnitude: | 6.2 mag | |
| Constellation: | CVn | |
| Distance: | 34,000 Ly | |
| Notes: | ||
Exposure data |
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| Date: | 2008-04-26 + 27 + 29 | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | 12" Newtonian telescope (f=1139mm) | |
| Camera: | ST2000XM with CFW8 and SBIG Filters | |
| Binning: | L 1x1 / RGB 1x1 | |
| Exposure time: | L 36x2m / R 9x8m / G 9x4m / B 9x4m | |
| Exposure time total: | 3h 36m | |
| Notes: | many background galaxies | |
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