NGC 7142 (Lund 1000, Cr 442) Open Cluster in Cepheus

Located at: RA 21 hours 45 minutes 12 seconds, Dec +65 degrees 46 minutes 23 seconds

Size: 12' Magnitude: 9.3 Class: I 2 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 Red filter, 440 minutes (44 x 10 minute subs), 08/10/11/15/2008; seeing 2.7-3.3 FWHM per CCDStack

Processing:

CCDStack 1.3.7, Photoshop 7.0

Location:

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

Notes:

Cepheus is in a dusty region of the Milky Way ... just to the WNW (upper right) is the edge of a cloud of 'dust' that envelopes NGC 7129 (about 25 ' NNW), shown well in this very deep color image by Tony Hallas.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 7142

NGC 7142 = Cr 442 = Lund 1000 = OCL-241
21 45 09 +65 46.5
V = 9.3;  Size 4

13.1" (7/20/85): fairly rich but somewhat scattered in parts, large.  Includes 
three brighter mag 10 stars but otherwise fairly uniform and rich in mag 12.5-
13.5 stars.

8": large, spread out.  There is a string of stars on the E and SE edge.

- by Steve Gottlieb