Deep Sky Object in Spring
M49 (Galaxy in Virgo)

Date & Time: Dec 29 2006, from 27:21 to 27:49 JST(+0900)
Composed 4 shots with 9 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D70 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1250

M49 (NGC4472) / Galaxy, type E2
R.A.12h 29m 46.5s (2000.0)
Dec.+07° 59' 58" (2000.0)
Apparent Size2.8×1.8'
Radial Velocity+1204km/s
Distance53 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC7629,MCG1-32-83
Around the center of the constellation of Virgo, M49 is a member elliptic galaxy of The Virgo Cluster in where the galaxy is positioned at fairly southern part. You can appreciate the galaxy fairly clearly because of its brightness of 8.6. And diameter of the galaxy can be classed under considerably larger ones, only small telescopes can show you M49 as an elliptic light stretched toward north-south direction. M49 is estimated about 41 millions light years away.

Abell 1795


Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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