Messier 7 in Scorpius
Exposure data
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2022-05-23
Skywatcher Esprit 120 with original flattner (f=840 mm)
Fornax 102 Photo
Luminance 18x2 min, R 18x2 min, G 14x2 min, B 15x2 min
02h 10min
Camera:
QHY 268m CMOS, Baader CMOS-filters
Object data Messier 7
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Open Star Cluster (I3r)
80‘
Sco
Messier 7 is an open star cluster in the constellation of Scorpius. At the cluster's estimated distance of 1,000 light years this corresponds to an actual diameter of 25 light years. The age of Messier 7 is around 200 million years.
1 000 light years
3.3 mag