Sh 2-310

Sharpless 2-310
Nebula
Observation data: J2000 epoch
Right ascension	07h 24m 04s
Declination	−25° 58′ 15″
Distance	4890 ly (1700 pc)
Apparent dimensions (V)	480' x 480'
Constellation	Canis Major
Designations	Gum 8, RCW 15, LBN 1059
	See also: Lists of nebulae

Last updated October 23, 2025

Sh 2-310 is a nebula in Canis Major. It is one of the largest H II regions known in the Milky Way. It is ionized by the stars Tau Canis Majoris and UW Canis Majoris. The red hypergiant VY Canis Majoris is located near the nebula's rim. The open cluster NGC 2362 is located near the nebula.^[3]

References

↑ "Sh 2-310".
↑ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
↑ "Sh 2-310".

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[1] "Sh 2-310".

[2] "Sharpless (Sh2) - Astrobasics". 13 September 2022.

[3] "Sh 2-310".

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See also: Gum Nebula

Nebula

Observation data: J2000 epoch
Right ascension	07^h 24^m 04^s
Declination	−25° 58′ 15″^[1]
Distance	4890 ly (1700 pc)
Apparent dimensions (V)	480' x 480'^[2]
Constellation	Canis Major

Designations	Gum 8, RCW 15, LBN 1059
See also: Lists of nebulae