Deep Sky Object in Summer
Wide-field around Abell2197 & Abell2199


Date & Time: May 4 2019, from 23:55 to 25:02 JST(+0900)
Composed 12 shots with 6 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-V4 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format (36×24mm)
Sensitivity...ISO2500, White Balance...Daylight


Abell 2197 / Galaxy Cluster, type 1 1 III
R.A.16h 28m (rough position)
Dec.+40°54' (rough position)
Apparent Size89.6'
# of Galaxies73
Red shift0.03
Magnitude13.9
Distance420 million light yrs.
Supergalactic clusterHercules supercluster
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 star-field image shows you two galaxy clusters of Abell 2197 and Abell 2199 in west region of Hercules. They are paralleling in north south direction with an interval of about 1.5 degrees. You can switch the displayed / hidden states of galaxy names by clicking on a button in upper right hand side.
Numbers with 4 digits represent NGC #

⇒Back to Abell2197
⇒Back to Abell2199



Abell2162
Tadpole galaxy(UGC10214)

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