Messier 103
Messier 103 is an open cluster (OC) found in the constellation of Cassiopeia . Here are some key stats on Messier 103 :
| Cluster name: | Messier 103 |
| Magnitude: | 7.4 |
| Constellation: | Cassiopeia |
| Size (arc-minutes): | 5' |
| Age (my): | 16 my |
| Distance (ly): | ly |
| Right Ascension: | 01h 33.4m |
| Declination: | +60° 39' |