Biurakan 11 (Berkeley 27, Lund 262) and Biurakan 12  (Berkeley 26, Lund 261)

Open Clusters in Monoceros

Center of field at approximately: RA 06 hours 50 minutes 50 seconds, Dec +05 degrees 45 minutes 11 seconds

Size: 3.0' (2.0') and 4.0' Magnitude: -- and -- Class: III 1 p and III 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, 360 minutes (36 x 10 minute subs), 01/30/31/2009; seeing 2.8-3.5 FWHM per CCDStack

Processing:

CCDStack 1.5.1, Photoshop 7.0

Location:

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

Notes:

Biurakan 11 to the east (left), Biurakan 12 to the west (right). According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of Biurakan 11 is 2.0 arc minutes