Berkeley 51 (Lund 932, C 2010+342) Open Cluster in Cygnus

Located at: RA 20 hours 11 minutes 54 seconds, Dec +34 degrees 24 minutes 17 seconds

Size: 4.0' (2.0') Magnitude: -- Class: I 1 p n

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, 990 minutes (99 x 10 minute subs), 10/21/22/26/27/2011; seeing 2.2-3.2 FWHM per CCDStack

Processing:

CCDStack 2.24.4110.20701, Photoshop CS 5.1

Location:

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

Notes: According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of this open cluster is 2.0 arc minutes