Messier 15
Messier 15 |
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Object data of M15 |
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| Object type: | Globular star cluster (IV) | |
| Size: | 18' | |
| Magnitude: | 6.2 mag | |
| Constellation: | Peg | |
| Distance: | 33,000 Ly | |
| Notes: | M15 is about 33,000 light-years from Earth and has a diameter of 175 light-years. Messier 15 is one of the most densely packed globulars known in the Milky Way. Its core has undergone a contraction known as 'core collapse'. | |
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Exposure data |
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| Date: | 2018-09-09 until 2018-09-18 (7 nights) | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | 12" Newtonian telescope (f=1120mm) | |
| Camera: | QSI 660wsg-8 with Astrodon filters | |
| Binning: | L 1x1 / RGB 1x1 | |
| Mount: | ASA DDM85 | |
| Exposure time: | L 110x2min / R 36x2min / G 36x2min / B 36x2min | |
| Exposure time total: | 7h 16min | |
| Notes: | Only data with very good seeing were used. | |
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