Basel 11B (Lund 1208, C 0555+219) Open Cluster in Orion

Located at: RA 05 hours 58 minutes 10 seconds, Dec +21 degrees 57 minutes 36 seconds

Size: 9.0' (3.0') Magnitude: 8.9 Class: III 1 p

North is up

West to the right


 8" f5 Newtonian reflector


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


Lumicon Red filter, 210 minutes (21 x 10 minute subs), 01/28/2009; seeing 2.5-3.2 FWHM per CCDStack


CCDStack 1.5.1, Photoshop 7.0


 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 3.0 arc minutes.