Sh 2-22

Sharpless 2-22
Emission nebula
H II region
As seen in 2022
Observation data: J2000 epoch
Right ascension17h 55m 06s
Declination−25° 01′ 00″[1]
Distance799 pc
Apparent magnitude (V)15.94[2]
Apparent diameter60' x 60'
ConstellationSagittarius
Physical characteristics
Radius68 ly
DesignationsRCW 144, Gum 71, LBN 14
See also: Lists of nebulae

Sh 2-22 is an emission nebula in the constellation Sagittarius. It is part of the Sharpless Catalog assembled by Stewart Sharpless. The nebula appears to surround 63 Ophiuchi, however, 63 Ophiuchi and the star's corresponding ring nebula around it are unrelated to Sh 2-22.[3]

References

[edit]
  1. ^ "Sh 2-22".
  2. ^ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
  3. ^ "Sh 2-22".