Southern Owl Nebula

Southern Owl Nebula
Emission nebula
Planetary nebula
	The Southern Owl Nebula as seen by ESO
Observation data: J2000 epoch
Right ascension	11h 26m 43.78s
Declination	−34° 22′ 11.4″
Distance	2030 ly
Apparent magnitude (V)	+17.4
Constellation	Hydra
Physical characteristics
Radius	2 ly
Designations	PLN 283+25.1 and ESO 378-1
	See also: Lists of nebulae

Last updated September 08, 2025

The Southern Owl Nebula (PLN 283+25.1, ESO 378-1) is a planetary nebula located in the constellation Hydra. The nebula lies at a distance of 2,030 light years from Earth.

It is named so because of its resemblance to the Owl Nebula in Ursa Major.^[2] The nebula is notably symmetric, round, and has a diameter of approximately four light-years.^[3]

References

1 2 3 "SIMBAD Astronomical Database". ESO 378-1. Retrieved 2016-11-14.
↑ Nemiroff, R.; Bonnell, J., eds. (6 May 2010). "Northern and Southern Owls". Astronomy Picture of the Day . NASA . Retrieved 2015-10-05.
↑ "The Ghost of a Dying Star". www.eso.org. Retrieved 2015-10-05.

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[simbad-1] 1 2 3 "SIMBAD Astronomical Database". ESO 378-1. Retrieved 2016-11-14.

[2] Nemiroff, R.; Bonnell, J., eds. (6 May 2010). "Northern and Southern Owls". Astronomy Picture of the Day . NASA . Retrieved 2015-10-05.

[3] "The Ghost of a Dying Star". www.eso.org. Retrieved 2015-10-05.

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