B 143 (LDN 694) Dark Nebula in Aquila

Located at: RA 19 hours 41 minutes 06 seconds, Dec +10 degrees 54 minutes 17 seconds

Size: 30' 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 Red filter, 530 minutes  (53 x 10 minute subs), 09/19/20/21/2009; seeing 2.3-3.1 FWHM per CCDStack

Processing:

CCDStack 1.6.0.4, Photoshop CS5.1

Location:

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

Notes:

This is a re-shoot of a 09/1/2006 image for proper centering.

This description from the on-line Edward Emerson Barnard "A Photographic atlas of Selected Region of The Milky Way":

 
143
α(2000)19h 41m 25s, δ(2000) +11 00
Galactic Coordinates 49, -6
 Rather narrow, angular marking, the outline of a square 1/2 in diameter, with the W side missing