ic 2177

IC 2177

Emission nebula
H II region
Detailed view of IC 2177 produced by the Wide Field Imager on the MPG/ESO 2.2-metre telescope. Credit: ESO
Observation data: J2000 epoch
Right ascension	07 04 25
Declination	−10° 27.3′
Distance	3650 ly   (1,120 pc)
Constellation	Monoceros
Designations	GUM 1, IC 2177, Sh2-292
See also: Lists of nebulae

IC 2177 is a region of nebulosity that lies along the border between the constellations Monoceros and Canis Major. It is a roughly circular H II region centered on the Be star HD 53367. This nebula was discovered by Welsh amateur astronomer Isaac Roberts and was described by him as "pretty bright, extremely large, irregularly round, very diffuse."

The name Seagull 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 clusters NGC 2335 and NGC 2343.