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IC 2177

From Wikipedia, the free encyclopedia
(Redirected fromNGC 2327)
Region of nebulosity in Monoceros constellation
IC 2177
Emission nebula
H II region
Detailed view of IC 2177 produced by the Wide Field Imager on theMPG/ESO 2.2-metre telescope.[1]
Observation data:J2000epoch
Right ascension07h 04m 25s[2]
Declination−10° 27′ 18″[2]
Distance3650[3] ly   (1,120 pc)
Apparent magnitude (V)15.23[4]
ConstellationMonoceros
DesignationsGUM 1, IC 2177, Sh2-292[2]
See also:Lists of nebulae
The location of IC 2177 (circled in red)

IC 2177 is a region of nebulosity that lies along the border between theconstellationsMonoceros andCanis Major. It is a roughly circularH II region centered on theBe starHD 53367.[5] This nebula was discovered by Welsh amateur astronomerIsaac Roberts and was described by him as "pretty bright, extremely large, irregularly round, very diffuse."[6]

The nameSeagull Nebula is sometimes applied by amateur astronomers to this emission region, although it more properly includes the neighboring regions of star clusters, dust clouds and reflection nebulae. This latter region includes the open clustersNGC 2335 andNGC 2343.[7]

IC 2177 is also known as the Seagull's Head, due to its larger presence in the Seagull nebula.

Gallery

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  • Seagull Nebula taken by VST OmegaCAM.[8]
    Seagull Nebula taken by VST OmegaCAM.[8]
  • Amateur image of the Seagull Nebula, taken with 100mm refractor
    Amateur image of the Seagull Nebula, taken with 100mm refractor
  • Amateur image of the Seagull Nebula, from an 11" telescope
    Amateur image of the Seagull Nebula, from an 11" telescope
  • Amateur image of the Seagull Nebula, taken with the Stellarvue SV102 Access refractor
    Amateur image of the Seagull Nebula, taken with the Stellarvue SV102 Access refractor

References

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  1. ^"The Rich Colours of a Cosmic Seagull".ESO Press Release. Retrieved27 September 2012.
  2. ^abc"IC 2177 -- HII (ionized) region".SIMBAD.Centre de Données astronomiques de Strasbourg. Retrieved2012-02-15.
  3. ^Ogura, Katsuo (March 2006). "Star formation associated with H II regions".Bulletin of the Astronomical Society of India.34 (2): 111.Bibcode:2006BASI...34..111O.
  4. ^"NASA/IPAC Extragalactic Database".ned.ipac.caltech.edu. Retrieved2018-12-29.
  5. ^Gregorio-Hetem, J. (December 2008). "The Canis Major Star Forming Region". In Bo Reipurth (ed.).Handbook of Star Forming Regions. The Southern Sky ASP Monograph Publications. Vol. 2.Bibcode:2008hsf2.book....1G.
  6. ^O'Meara, Stephen James (2007).Hidden treasures. Deep-sky companions.Cambridge University Press. p. 200–201.ISBN 978-0-521-83704-0.
  7. ^Monks, Neale (2010).Go-To Telescopes Under Suburban Skies. Patrick Moore's Practical Astronomy Series. Springer. p. 48.ISBN 978-1-4419-6850-0.
  8. ^"Anatomy of a Cosmic Seagull - ESO's VST captures a celestial gull in flight".www.eso.org. Retrieved9 August 2019.

External links

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