B 47 (LDN 1792) Dark Nebula in Ophiuchus

Located at: RA 17 hours 00 minutes 10 seconds, Dec -22 degrees 33 minutes 12 seconds

Size: 15' Magnitude: -- Class: 6 Ir

North is up

West to the right

Telescope:

8" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Deep Sky filter, 210 minutes (21 x 10 minute subs), 08/7/8/2007

Processing:

CCDStack 1.2, Photoshop 7.0

Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes: Description from the on-line Edward Emerson Barnard "A Photographic Atlas of Selected Regions of The Milky Way":

 

47
α(2000)16h 59m 42s, δ(2000) -22 39
Galactic Coordinates 359,+12
 Irregular, definite, diam. 15, connected with B 51 by two sharp lanes