Deep Sky Object in Autumn
NGC45 (Galaxy in Cetus)


Date & Time: Dec 24 2005, from 18:54 to 19:16 JST(+0900)
Composed 4shots with 7 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D70 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 8bit TIFF(3008×2000)
CCD Sensitivity...ISO1600


NGC45 / Galaxy, type SAB(s)dm IV
R.A.00h 14m 3.2s (2000.0)
Dec.-23° 11' 01" (2000.0)
Apparent Size8.4×5.8'
Radial Velocity+503km/s
Magnitude11.3
Distance20 million light yrs.
Group of GalaxiesNGC45 Group
Other IDsESO473-1, MCG-4-1-21
UGCA4, PGC00930
NGC45 is an extraordinary dimmed but medium sized irregular galaxy in south west edge of the constellation of Cetus. The galaxy has an elliptic shape with its long axis of 8 arc minutes and 11th magnitude in visual brightness. NGC45 has no major structure and forms a small-scaled galactic group with several surrounding minor galaxies.



NGC24
NGC55

Copyright(c) 2006 by Naoyuki Kurita, All rights reserved.
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