NGC 7160 (Lund 1002, Cr 443) Open Cluster in Cepheus

Located at: RA 21 hours 53 minutes 48 seconds, Dec +62 degrees 36 minutes 00 seconds

Size: 7.0' (5.0') Magnitude: 6.1 Class: I 3 p

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 270 minutes (27 x 10 minute subs), 08/9/10/2014; 2.6-3.7 FWHM per CCDStack

Processing:

CCDStack 2.81.5337.19441, Photoshop CS5.1

Location:

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

Notes: See the 8" version.

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 7160

NGC 7160 = Cr 443 = Lund 1002 = OCL-236
21 53 40 +62 36.2
V = 6.1;  Size 7

18" (8/17/04): at 160x, ~40 stars are visible in a 8'x6' group, extended SW-NE.  
The cluster is dominated by two mag 7 and 8 stars that are separated by 1'.  
Both of these stars have much fainter companions.  Another nice, mag 13 pair is 
SW of the mag 7 star.  Stands out well in the field.

17.5" (10/5/91): about three dozen stars in a 7' diameter.  Very bright, 
elongated SW-NE although scattered outliers make the cluster rounder.  Includes 
several fairly bright stars with two stars mag 7.0/7.9 at 1.0' separation NE of 
center which are surrounded by a semicircle of nine stars.  Includes several 
double stars with a mag 10 star which has a very faint companion on its W side.  
Not rich but distinctive.  Mag 6.8 SAO 19698 is 11' NW at the edge of the field.

8" (10/31/81): about two dozen stars in a bright cluster, not dense, includes 
two mag 8 stars.

- by Steve Gottlieb