Messier 15
Messier 15 is a globular cluster in the constellation of Pegasus. This globular cluster was discovered by Jean-Dominique Maraldi in 1746. M15 is about 33,600 lightyears from Earth, and 175 lightyears in diameter.[1] It has more than 100,000 stars, 112 variable stars and 8 pulsars. M15 also contains Pease 1, the first planetary nebula discovered in a globular cluster.[2]
| Messier 15 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Class | IV |
| Constellation | Pegasus |
| Distance | 33.6 kly (10.3 kpc) |
| Physical characteristics | |
| Other designations | NGC 7078, GCl 120 |
Messier 15 Media
M15_Globular_Cluster__from_the_Mount_Lemmon_SkyCenter_Schulman_Telescope_courtesy_Adam_Block
References
- ↑ Messier 15 on astropix. Retrieved 2012-02-13.
- ↑ Cohen, J. G.; Gillett, F. C.. The peculiar planetary nebula in M22. Astrophysical Journal 346 (1989). p. 803–807. doi:10.1086/168061.
