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
In the Vinony graph
Vinony's link graph records 431 inbound references to NGC 2261, and connects out to Tarantula Nebula, Messier 47 and Q829429.
It is catalogued under topics including Astronomical objects discovered in 1949, Caldwell objects and Monoceros.
Vinony links it to 39 Wikipedia language editions.
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
- Image
- Ngc2261.jpg
Show 4 more facts
- Commons category
- NGC 2261
- 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.