Deep Sky Object in Winter
NGC1398 (Galaxy in Fornax)

Date & Time: Dec 23 2011, from 22:56 to 23:26 JST(+0900)
Composed 6 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1790mm, F7.1)
with BaaderPlanetarium Moon & Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D700
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(2784×1848)
Device Size...DX Format (24×16mm)
CCD Sensitivity...ISO3200

NGC1398 / Galaxy, type (R')SB(r)ab
R.A.03h 38m 51.7s (2000.0)
Dec.-26° 20' 11" (2000.0)
Apparent Size7.1×5.3'
Radial Velocity+1289km/s
Distance60 million light yrs.
Group of GalaxiesEridanus Cluster
Other IDsESO482-22, MCG-4-9-40
IRAS03367-2629, PGC13434
NGC1398 is a small galaxy around north east of the constellation of Fornax. There are uncountable dimmed galaxies in this star field, and this galaxy looks like a compact elliptic galaxy through medium-sized telescopes. But actually the galaxy has very dimmed arms and classified in spiral. This picture shows you a bright nucleus and surrounding dimmed part in irregular. This minor galaxy has no striking coloration.



Copyright(c) 2012 by Naoyuki Kurita, All rights reserved.
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