Barnard's Loop

Barnard's Loop
Observation data
Right ascension 05h 27.5m
Declination−03° 58′
Distance1434 ly
Apparent magnitude (V)5
ConstellationOrion
Physical characteristics
Other designationsSh2-276
See also: Diffuse nebula, Lists of nebulae

Barnard's Loop is an emission nebula in the constellation of Orion. It is about 1,600 light-years away from Earth. It is part of the Orion complex. It is a semicircular arc that is about 300 light-years across. In the center of Bernard's Loop are two nebula. These are the Orion nebula and the Horsehead nebula. Barnard’s Loop is made up of Plasma. The mainly red color comes from hydrogen gas.

References

  1. 1 2 Nigel Henbest; Michael Marten, The Guide to the Galaxy (Cambridge; New York: Press Syndicate of the University of Cambridge, 1994), p. 139
  2. ↑ Nigel Henbest, The New Astronomy (Cambridge; New York: Press Syndicate of the University of Cambridge, 1996), p. 60

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