B 343 (LDN 880) Dark Nebula in Cygnus

Located at: RA 20 hours 13 minutes 19 seconds, Dec +40 degrees 16 minutes 40 seconds

Size: 13' x 5.0' Magnitude: -- Class: 5 Ir G

North is up

West to the right


 14.5" f5 Newtonian reflector


 ST-8XME, self-guided, binned 1x1, temp -10c, camera control MaxIm DL 4.56


Lumicon Red filter, 720 minutes (72 x 10 minute subs), 07/26/27/28/29/2016; seeing 2.7-3.8 FWHM per CCDStack


CCDStack 2.92.6001.26126, Photoshop CS5.1


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

Notes: See the 8" version.

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


α(2000)20h 13m 26s, δ(2000) +40 16
Galactic Coordinates 78,+4
 Elongated, 13 long NW and SE, sharpest at SSE end, several stars in S part, 10 E of BD+394082 (7.5 mag)