An image of NGC 2261 by the Hubble Space Telescope Credit: HST/NASA/JPL/Judy Schmidt
Observation data: J2000.0 epoch
Right ascension
6h 39m 10s[1]
Declination
+8° 45′[1]
Distance
2,500 ly
Apparent magnitude (V)
9.0
Apparent dimensions (V)
2′
Constellation
Monoceros
Designations
Hubble's Variable Nebula,[1] Caldwell 46
See also: Lists of nebulae
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.
^ abc"NGC 2261". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2007-04-11.
NGC2261 (also known as Hubble's Variable Nebula or Caldwell 46) is a variable nebula located in the constellation Monoceros. The nebula is illuminated...
NGC 6729 is a variable nebula which shows irregular variations in brightness and in shape. McNeil's Nebula NGC 1555 (Hind's Variable Nebula) NGC2261...
under the direction of American astronomer Edwin Powell Hubble, targeting NGC2261, an object also known as Hubble's Variable Nebula. The telescope continues...
The nebula was discovered on October 11, 1852, by John Russell Hind. NGC2261 "NGC 1555". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved...
objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled...
center; its stars range moderately in brightness. Hubble's Variable Nebula (NGC2261) is a nebula with an approximate magnitude of 10, 2500 light-years from...
Orion NGC 2014 NGC 2023 NGC 2080, Ghost Head Nebula NGC 2174 NGC2261, variable reflection nebula in Monoceros NGC 2736, the Pencil Nebula NGC 3576 NGC 3603...
in the world at that time) saw first light January 26, 1949, targeting NGC2261. The American astronomer Edwin Powell Hubble was the first astronomer to...
system is located in a diffuse nebula called "Hubble's Variable Nebula" (NGC2261), which is being illuminated by a conical beam of light from the primary...
of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects...
NGC 2494 is a lenticular galaxy located in the Monoceros constellation. It is 183 million light-years away and about 58,000 light-years in diameter. NGC...
NGC 2264 is the designation number of the New General Catalogue that identifies two astronomical objects as a single object: the Cone Nebula, and the...
NGC 2420 is an open cluster in the constellation Gemini. It was discovered by William Herschel in 1783. The cluster is about two billion years old and...
confused with NGC 246, which is also nicknamed the "Skull Nebula." The complex has the following New General Catalogue (NGC) designations: NGC 2237 – Part...
galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000)...
Messier 78 or M78, also known as NGC 2068, is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included...
(3): 2238–2261. arXiv:1212.5119. Bibcode:2013MNRAS.434.2238A. doi:10.1093/mnras/stt1160. Wikimedia Commons has media related to NGC 5662. NGC 5662 on WikiSky:...
The Eskimo Nebula (NGC 2392), also known as the Clown-faced Nebula, Lion Nebula, or Caldwell 39, is a bipolar double-shell planetary nebula (PN). It was...
Messier 93 or M93, also known as NGC 2447 or the Critter Cluster, is an open cluster in the modestly southern constellation Puppis, the imagined poop...
NGC 2003 (also known as PGC 3518064, ESO 086-SC006 and SL 526) is a globular cluster located in the Dorado constellation and is part of the Large Magellanic...
NGC 2207 and IC 2163 are a pair of colliding spiral galaxies about 80 million light-years away in the constellation Canis Major. Both galaxies were discovered...
NGC 2081 is an open cluster associated with an emission nebula located in the constellation Dorado. NGC 2081 is located in the Large Magellanic Cloud...
Astronomical Society. 434 (3): 2238–2261. arXiv:1212.5119. Bibcode:2013MNRAS.434.2238A. doi:10.1093/mnras/stt1160. Media related to NGC 129 at Wikimedia Commons...
NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand...
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