M13: Hercules Cluster


100% resolution (4.1 MB)


Object Data

Object type: Globular Cluster
Constellation: Hercules
Distance: 22,000 light years
Notes: Stars in this cluster are thought to be 11-12 billion years old

Exposure Data

Date: 5/15/2018
Location: Mount Palomar, CA
Telescope: DSI RC10c  (fl 1867mm at f/7.3)
Camera: FLI 6303E with Astrodon LRGB filters
Mount: Astro-Physics 1100
Exposure time: 7 x 5 min LRGB each
Exposure time total: 4.3 hrs
Notes: FOV = 52 x 35 arcmin


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