File:Hubble's_Variable_Nebula_-_NGC_2261.png · Wikimedia Commons · See Wikimedia Commons
NGC 2261
Sign in to saveAlso known as Hubble's Variable Nebula, Caldwell 46, C 46
Reflection nebula in the constellation Monoceros
Key facts
- Right ascension
- 6 39 10
- Declination
- +8 ° 45 ′
- Distance
- 2,500 ly
- Apparent dimensions v
- 2 ′
- Constellation
- Monoceros
- Radius
- ~0.5 ly
- Designations
- Hubble's Variable Nebula, Caldwell 46
via Wikipedia infobox
Wikidata facts
- Instance of
- reflection nebula
- Constellation
- Monoceros
- Image
- Ngc2261.jpg
Show 5 more facts
- Commons category
- NGC 2261
- discoverer or inventor
- William Herschel
- catalog code
- LBN 920
- apparent magnitude
- 9
- time of discovery or invention
- 1783-12-26
Sources (1)
via Wikidata · CC0
~3 min read
Encyclopedic overview
NGC 2261 (also known as Hubble's Variable Nebula or Caldwell 46) is a variable nebula located in the constellation Monoceros. The nebula is illuminated by the star R Monocerotis (R Mon), which is not directly visible itself.
Observing history
Excerpted from Wikipedia’s “NGC 2261” article, available under the CC BY-SA 4.0 licence.