NGC 6939 (Cr 423) Open Cluster in Cepheus
Located at: RA 20 hours 31 minutes 32 seconds, Dec +60 degrees 39 minutes 14 seconds
Size: 7.0'; Magnitude: 7.8; Class: II 1 r
North is up
West to the right
| Telescope: |
8" f5 Newtonian reflector |
| Camera: |
ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56 |
| Image: |
Lumicon Red filter, 340 minutes (34 x 10 minute subs), 07/15/16/2008; seeing 2.9-3.2 FWHM per CCDStack |
| Processing: |
CCDStack 1.3.7, Photoshop 7.0 |
| Location: |
Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s) |
| Notes: |
This rich open cluster is located just under 40 minutes NNW of the large spiral galaxy NGC 6946 |