Deep Sky Object in Spring
Around NGC3268 (Antlia Cluster)

Date & Time: Apr 14 2007, from 21:49 to 22:13 JST(+0900)
Composed 6 shots with 4 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

NGC3268 / Galaxy, type E2
R.A.10h 30m 00.6s (2000.0)
Dec.-35° 19' 30" (2000.0)
Apparent Size2.7×2.3'
Radial Velocity+2805km/s
Distance130 million light yrs.
Group of GalaxiesAntlia Cluster
Other IDsESO 375-45, MCG -6-23-41
PGC 30949
AGCS 636 / Galaxy Cluster, type 0 1 I-II
R.A.10h 30m (rough position)
Dec.-35° 19' (rough position)
Apparent Sizeabout 56'
# of Galaxies1
Red shift0.0094
Distance130 million light yrs.
Galactic superclusterHydra supercluster
The Antlia Cluster is a small-scaled galaxy cluster in center of the constellation, several small galaxies with 12th or 13th magnitude are distributed in span of about a degree around NGC3268. The cluster is floating about 130 millions light years away, one of principal clusters with the Hydra Cluster (Abell 1060) forming the "Hydra galaxy supercluster".


Hydra I Cluster

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