Deep Sky Object in Autumn
Around NGC7184 (Galaxies in Aquarius)


Date & Time: Oct 23 2022, from 18:38 to 19:32 JST(+0900)
Composed 10 shots with 6 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


This image captures small galaxies in the western edge of Aquarius near the boundary with Capricornus. The largest spiral galaxy visible in the lower field is NGC7184, which has a major axis of about 6 arc minutes. It is located about 100 million light-years away and constitutes a galaxy group with several galaxies outside the field of view. Small galaxies such as NGC7180, NGC7185 and NGC7188 can be seen in this picture, but they are not directly related to each other.
NGC7180 / Galaxy, type S0^?
R.A.22h 02m 18.5s (2000.0)
Dec.-20°32' 51" (2000.0)
Apparent Size1.5×0.8'
Radial Velocity+1467km/s
Magnitude13.6
Distance56.8 million light yrs.
Group of Galaxies -
Other IDsESO 601-6, MCG -4-52-8
PGC 67890
NGC7184 / Galaxy, type SB(r)c I-II
R.A.22h 02m 39.7s (2000.0)
Dec.-20°48' 50" (2000.0)
Apparent Size6.0×1.4'
Radial Velocity+2747km/s
Magnitude11.7
Distance99.3 million light yrs.
Group of GalaxiesNGC7184 Group
Other IDsUGCA 425, ESO 601-9
MCG -4-52-9, IRAS 21599-2103
PGC 67904
NGC7185 / Galaxy, type SAB(rs)0- pec?
R.A.22h 02m 56.7s (2000.0)
Dec.-20°28' 16" (2000.0)
Apparent Size2.4×1.5'
Radial Velocity+1838km/s
Magnitude12.5
Distance83 million light yrs.
Group of Galaxies -
Other IDsESO 601-10, MCG -4-52-11
PGC 67919
NGC7188 / Galaxy, type (R')SB(rs)bc II-III
R.A.22h 03m 29.0s (2000.0)
Dec.-20°19' 02" (2000.0)
Apparent Size1.7×0.7'
Radial Velocity+1767km/s
Magnitude14.0
DistanceN/A
Group of Galaxies -
Other IDsESO 601-11, MCG -4-52-12
PGC 67943



NGC6939, NGC6946
Around NGC7242

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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