Deep Sky Object in Spring
Around NGC4654 (Galaxies in Virgo)


Date & Time: Mar 23 2007, from 23:11 to 23:43 JST(+0900)
Composed 4 shots with 10 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluolite refractor (f=1000mm, F8.0)
Auto-guided with VIXEN ATLUX Equatorial & Meade Pictor 201XT
Digital Camera: Fujifilm FinePix S2Pro
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto




NGC4654 / Galaxy, type SAB(rs)cd II
R.A.12h 43m 57.6s (2000.0)
Dec.+13° 07' 27" (2000.0)
Apparent Size5.2×2.8'
Radial Velocity+1035km/s
Magnitude11.1
Distance52 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsIC 3708, UGC 7902
CGCG 71-19, MCG +2-33-4
IRAS 12414+1324, PGC 42857
NGC4639 / Galaxy, type SAB(rs)bc II-III
R.A.12h 42m 52.3s (2000.0)
Dec.+1315' 25" (2000.0)
Apparent Size3.2×2.3'
Radial Velocity+898km/s
Magnitude12.2
Distance52 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC 7884, CGCG 70-230
CGCG 71-8, MCG +2-32-189
IRAS 12403+1331, PGC 42741
This image shows you several medium-sized member galaxies in east region of Virgo Cluster. The most striking one in lower center is NGC4654, has a brightness of about 11th magnitude and a size of 5 arc minutes. The galaxy has been classified in barred galaxy but has an asymmetric shape with its western arm well stretched. And this field has other minor galaxies of NGC4639, NGC4620 and NGC4659.




NGC4567,NGC4568

NGC4676(The Mice)


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