Messier 78 or M 78, an aw kent as NGC 2068, is a reflection nebula in the constellation Orion.

Reflection nebula
Messier 78.jpg
Eemage o Messier 78 capturt uisin the Wide Field Imager camera on the MPG/ESO 2.2-metre telescope at the La Silla Observatory.
Observation data: J2000.0 epoch
Richt ascension05h 46m 46.7s[1]
Declination+00° 00′ 50″[1]
Distance1,350 ly (415 pc)[2] ly
Apparent magnitude (V)8.3
Apparent dimensions (V)8′ × 6′
Physical characteristics
Radius5 ly
Notable featursPairt o the Orion Complex
DesignationsCed 55u, DG 80, IRAS 05442-0000, [KPS2012] MWSC 0664, NGC 2068[1]
See also: Leets o nebulae


  1. 1.0 1.1 1.2 "M 78". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2016-02-14.
  2. Walker-Smith, S. L.; Richer, J. S.; Buckle, J. V.; Smith, R. J.; Greaves, J. S.; Bonnell, I. A. (March 2013), "The structure and kinematics of dense gas in NGC 2068", Monthly Notices of the Royal Astronomical Society, 429 (4): 3252–3265, arXiv:1212.2018, Bibcode:2013MNRAS.429.3252W, doi:10.1093/mnras/sts582.

Coordinates:   05h 46.7m 00s, +00° 03′ 00″