Deep Sky Object in Spring
Around NGC3268 (Antlia Cluster)


Date & Time: Feb 19 2021, from 25:09 to 25:53 JST(+0900)
Composed 12 shots with 4 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 & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


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
Magnitude11.4
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
Magnitude12.1
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".



NGC3254
Hydra I Cluster

Copyright(c) 2021 by Naoyuki Kurita, All rights reserved.
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