Basel 12 (Lund 1109) Open Cluster in Cygnus

Located at: RA 21 hours 10 minutes 30 seconds, Dec +46 degrees 14 minutes 00 seconds

Size: 7.0' (4.0') Magnitude: -- Class: III 2 p

North is up

West to the right


 8" f5 Newtonian reflector


  ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56


Lumicon Red filter, 390 minutes  (39 x 10 minute subs) 07/18/19/20/2010; seeing 2.5-3.6 FWHM per CCDStack


CCDStack 2.9.3831.24373, Photoshop 7.0


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

Notes: Imaged this object (about 20 stars around the 'bright' star, centered in this image), NGC 7039, and NGC 7093, while the moon was near full ... all objects within 6 or 7 degrees of "The Wall" / Mexico section of NGC 7000 (North America Nebula).

According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of this open cluster is 4.0 arc minutes.