Declination +49° 53′ 51″ Apparent magnitude (V) +6.4 | Right ascension 22 15 08.6 Distance 2800 (860) Apparent dimensions (V) 21′ | |
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NGC 7243, also Caldwell 16, is an open cluster and Caldwell object in the constellation Lacerta. It shines at magnitude +6.4. Its celestial coordinates are RA 22h 15.3m, dec +49° 53′. It is located near the naked-eye stars Alpha Lacertae, 4 Lacertae, an A-class double star, and planetary nebula IC 5217. It lies approximately 2,800 light-years away, and is thought to be just over 100 million years old, consisting mainly of white and blue stars.
References
NGC 7243 Wikipedia(Text) CC BY-SA