M 53
Globular cluster in the constellation Coma Berenices.
Globular cluster in the constellation Coma Berenices.
Messier 53 (also known as NGC 5024) is a galactic globular cluster in the constellation Coma Berenices.
| Object: | M 53 |
| Date of exposures: | 20.04.2020 |
| Distance: | 65.000 Lightyears |
| Exposures: | Luminance: 32 x 180", RGB: 83 x 180", Sum: 5,8 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000 mm |
| Filter: | Astrodon LRGB, E-Series |
| Camera: | ASI 1600 MMC Pro |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
By analysing the RR-Lyrae variables in M53 a distance of about 18 kpc (about 60 kLj) was determined, its diameter is about 200 light years. The luminosity of the cluster is about 200,000 times that of our Sun. In February 1777 Charles Messier made this 53rd entry in his catalogue of comet-like objects.
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