Deep Sky Object in Autumn
NGC1055 (Galaxy in Cetus)


Date & Time: Jan 25 2025, from 19:34 to 20:29 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


NGC1055 / Galaxy, type SBb: sp II-III
R.A.02h 41m 44.7s (2000.0)
Dec.+00° 26' 31" (2000.0)
Apparent Size7.6×2.6'
Radial Velocity+958km/s
Magnitude11.4
Distance45 million light yrs.
Group of GalaxiesNGC1068 Group
Other IDsUGC 2173, CGCG 388-95
MCG +0-7-81, IRAS 2391+13
PGC 10208
An edge-on galaxy lying about 30 arc minutes east of delta Ceti is NGC1055. The galaxy has a long axis of 7.6 arc minutes, a major dark lane crossing the bulge. NGC1055 forms a small-scaled group with surrounding several galaxies, about 45 millions light years away. At only 30 arc minutes SSE from the galaxy, you can find out a messier's galaxy of M77.



Around NGC1042
Around NGC1060

Copyright(c) 2025 by Naoyuki Kurita, All rights reserved.
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