M 38 (NGC 1912, Lund 181) Open Cluster in Auriga

Located at: RA 05 hours 28 minutes 43 seconds, Dec +35 degrees 51 minutes 18 seconds

Size: 21' (15') Magnitude: 6.4 Class: II 2 r

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, 220 minutes (22 x 10 minute subs), 01/6/2007

Processing:

CCDStack 1.1, Photoshop 7.0

Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes:

This images replaces an unfiltered 64 minute Track & Accumulate image from 12/03/2005.

According to "Star Clusters", by Brent Archinal and Steven Hynes, the size of this open cluster is 15 arc minutes.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 1912

NGC 1912 = M38 = Cr 67
05 28 43 +35 51.3
V = 6.4;  Size 21

8": large, bright, rich cluster with many 10th magnitude stars, square or 
cruciform shape, includes a number of double stars.  A number of stars are 
arranged in strings.

- by Steve Gottlieb