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|Observation data: J2000 epoch|
|Right ascension||17h 27m|
|Distance||600 to 700 ly (180 to 220 pc)|
|Apparent magnitude (V)||–|
|Apparent dimensions (V)||Pipe Stem 300′ x 60′
Pipe Bowl 200′ x 140′
|Absolute magnitude (V)||–|
|Designations||Barnard 59, 65–67, & 78;
LDN 1773; LDN 42
The Pipe Nebula (also known as Barnard 59, 65–67, and 78) is a dark nebula in the Ophiuchus constellation and a part of the Dark Horse Nebula. It is a large but readily apparent pipe shaped dust lane that obscures the Milky Way star clouds behind it. Clearly visible to the naked eye in the Southern United States under clear dark skies, but it is best viewed with 7x binoculars.
The nebula has two main parts: the Pipe Stem with an opacity of 6 which is composed of Barnard 59, 65, 66, and 67 (also known as LDN 1773) 300′ x 60′ RA: 17h 21m Dec: −27° 23′; and the Bowl of the Pipe with an opacity of 5 which is composed of Barnard 78 (also known as LDN 42) 200′ x 140′ RA: 17h 33m Dec: −26° 30′.
- "Ceci N'est Pas Une Pipe". ESO Press Release. Retrieved 20 August 2012.