B 23 (LDN 1503) Dark Nebula in Taurus

Located at: 04 hours 40 minutes 36 seconds, Dec +29 degrees 53 minutes 00 seconds

Size: 5.0' Magnitude: -- Class: 6 Ir (5 C?)

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56

Image:

Lumicon Deep Sky filter, 360 minutes (36 x 10 minute subs), 12/30/2007 & 01/12/2008; seeing 3.3-4.9 FWHM per CCDStack

Processing:

CCDStack 1.3.2, Photoshop 7.0

Location:

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

Notes: See the 14.5" version.

Description from the on-line Edward Emerson Barnard "A Photographic Atlas of Selected Regions of The Milky Way":
23
α(2000)4h 40m 32s, δ(2000) +29 54
Galactic Coordinates 171, -11
 Diam. 5, sharply pointed to the SE, BD+29728 (6.5 mag) in N part