Sh 2-16

Last updated
Sharpless 2-16
Nebula
H II region
Collinder 347.jpg
Sh 2-16 seen faintly behind the overlaid star cluster Collinder 347.
Observation data: epoch
Right ascension 17h 46m 37.2s
Declination −29° 22′ 02″ [1]
Distance1550±150  pc
Apparent magnitude (V)15.23 [2]
Apparent diameter12' [3]
Constellation Sagittarius
Physical characteristics
Radius 28 ly
Designations RCW 137, Gum 70, LBN 1124
See also: Lists of nebulae

Sh 2-16 is an emission nebula in the constellation Sagittarius. It is ionized by the star LSS 4381. The nebula also contains an infrared cluster, [DB2000] 56. [4] It is at the same location as open cluster Collinder 347 which is located closer than the nebula.

The region appears mostly red in visible light, making observation best through a Hydrogen-alpha filter. [5]

References

  1. ↑ "Sh 2-16".
  2. ↑ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
  3. ↑ "Sharpless2-16 Lhargb_Hr".
  4. ↑ "Sh 2-16".
  5. ↑ "CCD Images of the Sharpless Catalog".
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