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


Date & Time: Apr 6 2019, from 22:51 to 23:47 JST(+0900)
Composed 12 shots with 5 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(3056×3056)
Device Size...20×20mm, Sensitivity...ISO4000


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.+13°15' 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 medium-sized galaxies in east region of Virgo Cluster. One in left-had side is NGC4654, having 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. Another barred one at 20 arc minutes WNW is NGC4639 with a size of about 3 arc minutes.



NGC4636
Around NGC4666

Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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