NGC 1664 (Lund 143, Cr 56) Open Cluster in Auriga

Located at: RA 04 hours 51 minutes 06 seconds, Dec +40 degrees 40 minutes 36 seconds

Size: 18' Magnitude: 7.6 Class: III 1 p

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:

Lumicon Red filter, 590 minutes  (59 x 10 minute subs) 12/23/24/2009; seeing 2.8-4.2 FWHM per CCDStack

Processing:

CCDStack 1.6.0.6, Photoshop 7.0

Location:

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

Notes: From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 1664

NGC 1664 = Cr 56 = Mel 27 = OCL-411
04 51 05 +43 40.6
V = 7.6;  Size 18

13.1": 40-45 stars, striking, rich, many faint double stars and chains.  A long 
string of stars to the S leads to mag 7.5 SAO 39807 on the SE edge.  Appears 
rich in the center.

- by Steve Gottlieb