NGC7789 Open Cluster in Cassiopeia
12.5" RC, F9, STL11000, LRGB = 15:15:15:15 minutes
copyright Robert Gendler 2004
NGC7789 Open Cluster in Cassiopeia
12.5" RC, F9, STL11000, LRGB
= 15:15:15:15 minutes
copyright Robert Gendler 2004