⭐ 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