Deep Sky Object in Autumn
NGC752 (Open Cluster in Andromeda)


Date & Time: Nov 14 2009, from 23:49 to 24:08 JST(+0900)
Composed 4 shots with 6min exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=200mm, Aperture: F3.3)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with VIXEN ATLUX Equatorial
Digital Camera: Nikon D80 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3872×2592)
CCD Sensitivity...ISO800


NGC752 / Open Cluster, type d, II 2 r
R.A.01h 57m 48.0s (2000.0)
Dec.+37° 41' 00" (2000.0)
Apparent Size45'
Real Size45 light yrs.
# of Stars60
Magnitude7.0
Distance3420 light yrs.
NGC752 is a very scattered open cluster found around the left leg of Princess Andromeda. The cluster is positioned near the boundary on Triangulum, can be easily detected only with the naked eyes looks like a dimmed nebula.
The cluster has an apparent diameter of 45 arc minutes, so telescopes aren't suitable for appreciating this object. You'll be fascinated with the cluster by using of binoculars that shows you plenty of fine stars appeared on the dimmed light.
NGC752 has formed a vast triangle in the autumnal night skies with the Andromeda Galaxy (M31) and M33 in Triangulum. You shouldn't forget to appreciate NGC752 after enjoying these splendid galaxies.



Around NGC663 & M103
Double Cluster

Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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