DeepSky Object in Autumn
NGC147 (Galaxy in Cassiopeia)


Date & Time: Nov 18 2023, from 22:11 to 22:59 JST(+0900)
Composed 7 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


NGC147 / Galaxy, type E5 pec
R.A.00h 33m 11.6s (2000.0)
Dec.+48° 30' 28" (2000.0)
Apparent Size13.2×7.8'
Radial Velocity-160km/s
Magnitude10.4
Distance2.4 million light yrs.
Group of GalaxiesLocal Group
Other IDsUGC326, MCG8-2-5
DDO3, PGC02004
This is a large but dimmed elliptical galaxy in southern part of Cassiopeia. The galaxy is positioned about 7.5 degrees north of The Andromeda Galaxy (M31).
NGC147 is a member of the Local Group to which our Galaxy belongs, floating about 2.4 million light years away. And the galaxy has almost same direction and distance with M31, strong gravitational interaction with it. We can consider that NGC147 is one of companion galaxies of M31.

→ To Wide-field of NGC147 & NGC185



NGC131, NGC134
NGC151

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