NGC 2304 (Lund 269, Cr 120) Open Cluster in Gemini

Located at: RA 06 hours 55 minutes 12 seconds, Dec +17 degrees 59 minutes 18 seconds

Size: 5.0' (3.0') Magnitude: 10.0 Class: II 1 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:

Red (Hoya 25A) filter, 140 minutes (14 x 10 minute subs), 03/22/2007

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 3.0 arc minutes.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 2304

NGC 2304 = Cr 120 = Mel 55 = OCL-484
06 55 12 +17 59.3
Size 5

13.1": ~20 faint stars, unresolved haze, rich, elongated WSW-ENE in a thin 
wedge.

- by Steve Gottlieb