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Snake Nebula

Coordinates: Sky map 17h 23m 30s, −23° 38′ 00″
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Snake Nebula
Dark nebula
Observation data: J2000.0 epoch
Right ascension17h 23m 30s
Declination−23° 38′
Distance650 ly   (200 pc)
Apparent magnitude (V)
Apparent dimensions (V)37 × 17 arcmins
Physical characteristics
RadiusN/A ly
Absolute magnitude (V)
Notable features
DesignationsBarnard 72
See also: Lists of nebulae

The Snake Nebula (also known as Barnard 72) is a dark nebula in the Ophiuchus constellation. It is a small but readily apparent SP-shaped dust lane that snakes out in front of the Milky Way star clouds from the north-north-west edge of the bowl of the Pipe Nebula. Its thickness runs between 2′ and 3′ and runs around 6′ in the north-west / south-east orientation. A good view in a 4" to 6" telescope requires clear dark skies.

It is part of the much larger Dark Horse Nebula.

To the right of the Snake Nebula is Barnard 68. Below it is Barnard 69, Barnard 70, and Barnard 74.

External links[edit]

  • Nemiroff, R.; Bonnell, J., eds. (20 February 2009). "Snake in the Dark". Astronomy Picture of the Day. NASA.