Deep Sky Object in Spring
Around NGC4958 (Galaxies in Virgo)

Date & Time: Mar 7 2008, from 24:12 to 24:41 JST(+0900)
Composed 4 shots with 9 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluorite 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

NGC4958 / Galaxy, type SB(r)0? sp
R.A.13h 05m 49.0s (2000.0)
Dec.-08° 01' 13" (2000.0)
Apparent Size4.1×1.2'
Radial Velocity+1515km/s
Distance55 millions light yrs.
Group of GalaxiesVirgo II - NGC4697 Group
Other IDsUGCA 323, MCG -1-33-84
PGC 45313
NGC4995 / Galaxy, type SAB(rs)b
R.A.13h 09m 40.6s (2000.0)
Dec.-07° 50' 00" (2000.0)
Apparent Size2.4×1.5'
Radial Velocity+1802km/s
Distance34 millions light yrs.
Group of GalaxiesVirgo II - NGC4995 Group
Other IDsUGCA 329, MCG -1-34-7
IRAS 13070-734, PGC 45643
This image has captured several galaxies positioned about three degrees SSW from theta Vir. An edge-on galaxy in right hand side is NGC4958 about 4 arc minutes in long axis, and a spiral in left hand side is NGC4995 with a size of about 2.4 arc minutes. These two galaxies has members of different groups, and has an interval of about 15 millions light years.



Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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