⭐ M13: The Hercules Globular Cluster
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This cluster, just barely visible to the naked eye, contains several hundred thousand stars in its diameter of 145 light years.
⭐ This photograph is part of our signature series.
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| Telescope: | Stellina | |
| Length: | 400mm | |
| Aperture: | 80mm | |
| F-stop: | f/5.0 | |
| Sessions: | 6 | |
| Captured: | 2021-04-10 to 2021-08-11 | |
| Lights: | 200 | |
| Exposure: | 10 | |
| Total exposure: | 33 m | |
| Ra: | 16h 41m 41.5s | |
| Dec: | +36° 28' 30.303 | |
| Size: | 54.34 x 31.171 arcmin | |
| Radius: | 0.522 deg | |
| Scale: | 0.688 arcsec/pixel | |
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