Messier 92 in Hercules
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2013-04-15+17
Gahberg observatory, Upper Austria
5” f/5 Skywatcher Newtonian Starlight Express SXV-H9 + Baader LRGB-filters
WAM 650move
Luminance 22x2 min / RGB 13x3 min each
02h 40min
Globular cluster
14’
+6.3mag
Hercules
26000 light years
discovered by Johann Elert Bode 1777 and Charles Messier 1781