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Eta Cassiopeiae - Achird (130mm 6D).jpg
Eta Cassiopeiae, a double star, in Cassiopeia, here unresolved in a general field shot. The small planetary nebula, Abell 2, is just visible at right as a tiny blue disk. Taken from home Nov. 25, 2016 with the 130mm AP f/6 apo refactor with the 6x7 field flattener and Canon 6D at ISO 800 for a stack of 4 x 3 minute exposures.