M15: The Grandfather of Clusters
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Multi-session capture of one of the oldest known globular clusters. Happy 12 billionth birthday, M15!
Image details
| Telescope: | Stellina | |
| Length: | 400mm | |
| Aperture: | 80mm | |
| F-stop: | f/5.0 | |
| Sessions: | 2 | |
| Captured: | 2021-10-09 to 2022-08-23 | |
| Lights: | 359 | |
| Exposure: | 10 | |
| Total exposure: | 59 m | |
| Ra: | 21h 30m 3.9s | |
| Dec: | +12° 10' 12.121 | |
| Size: | 51.722 x 35.997 arcmin | |
| Radius: | 0.525 deg | |
| Scale: | 0.619 arcsec/pixel |
M15 in 2023
2023-11-19
M15: Ancient Globular Cluster
2021-10-09