NGC 2236 (Lund 221, Cr 94) Open Cluster in Monoceros
Located at: RA 06 hours 29 minutes 40 seconds, Dec +06 degrees 49 minutes 48 seconds
Size: 6.0' (8.0'); Magnitude: 8.5; Class: II 2 m
North is up
West to the right
| Telescope: |
8" f5 Newtonian reflector |
| Camera: |
ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56 |
| Image: |
Lumicon Red filter, 200 minutes (20 x 10 minute subs) 02/2/2010; seeing 2.8-3.3 FWHM per CCDStack |
| Processing: |
CCDStack 1.6.1, 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 8.0 arc
minutes. From the NGC / IC Project: Contemporary Visual Observation(s) for NGC 2236 NGC 2236 = Cr 94 = OCL-501 = Lund 221 06 29 40 +06 49.8 V = 8.5; Size 7 13.1": two dozen faint stars in a 5' region over background haze. The brighter stars are in a rich 1' triangular outline with the brightest mag 11 star in the cluster. A long curving arc of fainter stars emanates from the group. Fairly striking cluster. - by Steve Gottlieb |