NGC 7243
NGC 7243
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|
| Object type |
Star cluster 
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|---|---|
| Other designations | Caldwell 16 |
|
Observation data
(Epoch 2000.0) |
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| Constellation | Lacerta |
| 22h 15m 08.6s | |
| Declination | +49° 53′ 51″ |
| Distance | 2800 / 860 |
|
In visual light (V) |
|
| +6.4 | |
|
Size
|
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.
Coordinates: 
22h 15m 08.6s, +49° 53′ 51″
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