Tombaugh 4 (Lund 78, OCL 349) Open Cluster in Cassiopeia

Located at: RA 02 hours 29 minutes 11 seconds, Dec +61 degrees 47 minutes 06 seconds

Size: 5.3' Magnitude: -- Class: II 1 n m

North is up

West to the right


 14.5" f5 Newtonian reflector


 ST-8XME, self-guided, binned 1x1, temp -10c & -15c, camera control MaxIm DL 4.56


 Lumicon Red filter, 850 minutes (85 x 10 minute subs), 10/17/18/19/20/2016; seeing 2.9-5.6 FWHM per CCDStack


CCDStack 2.93.6093.26774, Photoshop CS5.1


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

Notes: This object was a 'keep away' from the the nearly full moon ... However, SoCal was under a moderate off-shore flow "event", which made the seeing mostly bad (one sub at 2.9 - most of the others 4.6-5.6 arc seconds). See the 8" image.

See the CDS image/data.