Constellation: Cassiopeia
Right Ascension: 01h 33.2m
Declination: +60°42′
Distance: 10,000 ly
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Messier 103 is an ope star cluster located in Cassiopeia. Contains at least 107 members, its one of the smallest and at 10,000 light years one of the more remote clusters.

Telescope: Explore Scientific 127 Refractor
Camera: ZWO 2600 MM