Berkeley 2 (Lund 12) Open Cluster in Cassiopeia

Located at: RA 00 hours 25 minutes 15 seconds, Dec +60 degrees 23 minutes 18 seconds

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

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

  ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 620 minutes  (62 x 10 minute subs), 10/5/6/7/2009; seeing 2.0-2.8 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: According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of this open cluster is 2.0 arc minutes. See the 14.5" version.