Deep Sky Object in Winter
M79 (Globular Cluster in Lepus)


Date & Time: Dec 14 2014, from 22:02 to 22:36 JST(+0900)
Composed 6 shots with 2min. exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 600D (Remodeled)
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO3200


M79 (NGC1904) / Globular Cluster, type V
R.A.05h 24m 30.0s (2000.0)
Dec.-24° 33' 00" (2000.0)
Apparent Size3.2'
Real Size62 light yrs.
Magnitude7.9
Distance43,000 light yrs.
M79 (NGC1904) is a small globular cluster and is found by doubling the line from alpha to beta Lep. The globular cluster hardly can be seen in winter skies, so M79 is almost only one in winter.
M79 has the apparent diameter of about 3 arc minutes, but fairly bright and sufficient to observe with small scopes. You'll be able to recognize the dimmed stellar-like light point, it should be hard to resolve the individual stars.
The cluster is estimated about 43 thousand light years away from the solar system.



The Hyades(Mel.25)
NGC1851

Copyright(c) 2014 by Naoyuki Kurita, All rights reserved.
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