20151220 Catalina_Grid Catalina (C/2013 US10) in Virgo, Esprit 80/400 EOS 6D 4 x 3min Feld 5° x 3°
Catalina (C/2013 US10) in Virgo, Esprit 80/400 EOS 6D 4 x 3min Feld 5° x 3°
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