IC 447

Dreyer's Nebula
Reflection nebula
This is IC 447. The dark nebula near the center is cataloged as IC 2169.
Observation data: J2000 epoch
Right ascension06h 31m 12.0s
Declination+10° 02′ 00″
Apparent dimensions (V)~25 arcminutes dia.
ConstellationMonoceros
Physical characteristics
Radius0.25 x 0.9 ly
DesignationsDreyer's Nebula, IC 447, IC 2169
See also: Lists of nebulae

IC 447 is a reflection nebula located in the constellation Monoceros. It includes several massive B-type stars and forms one end of the Monoceros R1 Molecular Cloud, with IC 446 at the opposite end. IC 447 may have been formed by more massive members of the young open cluster Collinder 95.

References

  1. ↑ "IC 447 - HII Ionized region in Monoceros | TheSkyLive.com". theskylive.com. Retrieved 2024-05-13.
  2. ↑ Bhadari, N. K.; et al. (August 2020), "Star-forming Sites IC 446 and IC 447: An Outcome of End-dominated Collapse of Monoceros R1 Filament", The Astrophysical Journal, 899 (2), id. 167, arXiv:2006.13894, Bibcode:2020ApJ...899..167B, doi:10.3847/1538-4357/aba2c6.
  3. ↑ Lim, Beomdu; et al. (June 2022), "A Gaia View on the Star Formation in the Monoceros OB1 and R1 Associations", The Astronomical Journal, 163 (6), id. 266, arXiv:2204.00444, Bibcode:2022AJ....163..266L, doi:10.3847/1538-3881/ac63b6.