NGC 2186 (Lund 209, Cr 85) Open Cluster in Orion

Located at: RA 06 hours 12 minutes 08 seconds; Dec +05 degrees 27 minutes 30 seconds

Size: 4.0' (5.0') Magnitude: 8.7 Class: II 2 m

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56

Image:

Red (Hoya 25A) filter, 150 minutes (15 x 10 minute subs), 03/1/2007

Processing:

CCDStack 1.1, 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 5.0 arc minutes.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 2186

NGC 2186 = Cr 85 = OCL-498 = Lund 209
06 12 08 +05 27.5
V = 8.7;  Size 4

17.5": at 140x about 30 stars in a 4' diameter including three mag 10 stars.  
Includes a prominent subgroup with a mag 10 star on the N side and a double star 
11/12 at 10".  A clump of mag 13/14 stars is just W of this subgroup.

- by Steve Gottlieb