Deep Sky Object in Winter
NGC2188 & Abell 3381 (Galaxy & Galaxy Cluster in Columba)



Date & Time: Nov 19 2023, from 25:43 to 26:27 JST(+0900)
Composed 12 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression 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



NGC2188 / Galaxy, type SB(s)m sp
R.A.06h 10m 09.8s (2000.0)
Dec.-34°06' 26" (2000.0)
Apparent Size4.3×1.1'
Radial Velocity+727km/s
Magnitude12.1
Distance23.9 million light yrs.
Group of Galaxies -
Other IDsESO 364-37, MCG -6-14-8
PGC 18536
Abell 3381 / Galaxy Cluster, type 1 2 I
R.A.06h 09m 52.3s (2000.0)
Dec.-33°35' 11" (2000.0)
Apparent Size28.0'
# of Galaxies69
Red shift0.0347
Magnitude14.4
Distance476 million light yrs.
Supergalactic clusterColumba supercluster
This image captures an edge-on galaxy and galaxy cluster located approximately 2.6 degrees southwest of δ Columbae. The galaxy visible below the field is NGC2188, where the central bulge is hardly visible, and only the part constituting the spiral structure appears spiraled. It has an elongated diameter of just over 4 arc minutes, a brightness of 12th magnitude, and is situated at a distance of about 24 million light years.
About 30 arc minutes north of NGC2188, there is a galaxy cluster Abell3381. It encompasses around 70 faint galaxies and is positioned in the far distance at 470 million light years.




NGC2146

NGC2207, IC2163


Copyright(c) 2023 by Naoyuki Kurita, All rights reserved.
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