NGC 7243
Appearance
Coordinates:
22h 15m 08.6s, +49° 53′ 51″
![Sky map](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/20px-Jupiter_and_moon.png)
NGC 7243 | ||
---|---|---|
Distance 2800 (860) | | |
Apparent magnitude (V) | +6.4 | |
Apparent dimensions (V) | 21′ | |
Physical characteristics | ||
Other designations | Caldwell 16, Cr 448 | |
Associations | ||
Constellation | Lacerta | |
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 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.[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/NGC7243map.png/220px-NGC7243map.png)
Notes
- ^ "NGC 7243". eSky. Retrieved 2008-08-06.
References
- Pasachoff, Jay M. (2000). "Atlas of the Sky". Stars and Planets. New York, NY: Peterson Field Guides. p. 578. ISBN 978-0-395-93432-6.
- Caldwell-Moore, Sir Patrick (2003). Firefly Atlas of the Universe. Firefly Books Limited. ISBN 978-1-55297-819-1.
External links
Media related to NGC 7243 at Wikimedia Commons
- SEDS – NGC 7243
- "NGC 7243". SIMBAD. Centre de données astronomiques de Strasbourg.
- VizieR – NGC 7243
- NED – NGC 7243
- NGC 7243 on