NGC 663 (Lund 55, Cr 20) Open Cluster in Cassiopeia
Located at: RA 01 hours 46 minutes 17 seconds, Dec +61 degrees 13 minutes 06 seconds
Size: 16' (15'); Magnitude: 7.1; Class: II 3 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 Deep Sky filter, 180 minutes (18 x 10 minute subs), 11/14/2007 |
| Processing: |
CCDStack 1.3, Photoshop 7.0 |
| Location: |
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 15.0 arc
minutes. From the NGC / IC Project: Contemporary Visual Observation(s) for NGC 663 NGC 0663 = Cr 20 = Mel 11 = OCL-333 01 46 16 +61 13.1 V = 7.1; Size 16 13.1": ~75 stars, fairly large, rich, many doubles including ?153 = 9.7/10.9 at 8" and ?152 = 9.4/10.9 at 9" and ?151 = 10.7/11.2 at 7". - by Steve Gottlieb |