Deep Sky Object in Winter
NGC1255 (Galaxy in Fornax)


Date & Time: Dec 1 2007, from 21:16 to 21:47 JST(+0900)
Composed 4 shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D80 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...12bit CCD-RAW, converted to 16bit TIFF(3872×2592)
CCD Sensitivity...ISO1600




NGC1255 / Galaxy, type SAB(rs)bc II
R.A.03h 13m 32.2s (2000.0)
Dec.-25° 43' 36" (2000.0)
Apparent Size4.1×2.5'
Radial Velocity+1714km/s
Magnitude11.4
Distance65 million light yrs.
Group of GalaxiesNGC1255 Group
Other IDsESO 481-13, MCG -4-8-50
IRAS 3113-2554, PGC 12007
NGC1255 is spiral positioned in northern region of Fornax. The galaxy has a figure of elliptic with long axis of 4 arc minutes, we can see several H-alpha regions on its arms. This galaxy is principal member of NGC1255 Group around a border between Eridanus and Fornax.




NGC1253

NGC1300


Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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