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


Date & Time: May 4 2019, from 25:29 to 26:24 JST(+0900)
Composed 9 shots with 6 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: 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


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) and Abell 2197.
Numbers with 4 digits represent NGC #

⇒Jump to wide-field around Abell2197 & Abell2199(234KB)



Abell 2197
Abell 2256

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