Deep Sky Object in Summer
Abell2199 (Galaxy Cluster in Hercules)


Date & Time: Mar 17 2007, from 25:07 to 26:03 JST(+0900)
Composed 6 shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Fujifilm FinePix S2Pro
Location: Ooizumi vil., Yamanashi pref.

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




Abell 2199 / Galaxy Cluster, type 2 1 I
R.A.16h 28m (rough position)
Dec.+39° 31' (rough position)
Apparent Size89'
# of Galaxies88
Red shift0.0287
Magnitude13.9
Distance395 million light yrs.
Supergalactic clusterHercules supercluster
This image has captured a medium sized galaxy cluster in central Hercules, about 2.5 degrees west from eta Her. The cluster consists of about 90 member galaxies with a giant elliptic galaxy of NGC6166 as a principal one, and is about 400 millions light years away. The cluster is one of main parts of Hercules super cluster with the Hercules cluster (Abell 2151).




Hercules Cluster(Abell2151)

Tadpole galaxy(UGC10214)


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