NGC 7243 | |
Epoch: | 2000.0 |
Constellation: | Lacerta |
Dist Ly: | 2800 |
Dist Pc: | 860 |
Appmag V: | +6.4 |
Size V: | 21 |
Names: | Caldwell 16, Cr 448 |
NGC 7243 (also known as Caldwell 16) is an open cluster and Caldwell object in the constellation Lacerta. It shines at magnitude +6.4. Its celestial coordinates are RA, dec . 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.[1]