Deep Sky Object in Winter
NGC1300(Galaxy in Eridanus)

Date & Time: Dec 1 2007, from 22:55 to 23:25 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

NGC1300 / Galaxy, type SB(s)bc I
R.A.03h 19m 42.0s (2000.0)
Dec.-19° 25' 00" (2000.0)
Apparent Size6.0×3.5'
Radial Velocity+1421km/s
Distance60 million light yrs.
Group of GalaxiesEridanus Cluster
Other IDsESO547-31, MCG-3-9-18
UGCA66, PGC12412
NGC1300 is a small galaxy lying in the middle of Eridanus meandering in the winter south sky. The galaxy has a major axis of 6 arc minutes and 11th magnitude; it cannot be listed in observing objects with amateur telescopes because of its small size and darkness. But NGC1300 is positioned at 2.3 degrees north of tau4 Eri with 4th magnitude so it's fairly easy to catch in the field of view.
A major characteristic of NGC1300 is being well-proportioned "bared" structure. You can detect a clear bar stretched to east and west direction from a dimmed nucleus, and two spirals are coiled up from each tip of the bar. Actually NGC1300 is fairly familiar with photographs taken by big telescopes, and often quoted as a typical example of Bared Galaxies.



Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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