Messier 13 in Hercules
StarMovie animation
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2012-03-02
Gahberg observatory, Upper Austria
6” Lichtenknecker Flatfieldcamera Atik 16HR + Baader LRGB-filters
Alt AD6
Luminance 20x3 min / RGB 8x3 min each
02h 12min
Globular cluster
20’
+5.8 mag
Hercules
25100 light years
discovered by Sir Edmond Halley 1714