Deep Sky Object in Winter
NGC1637 (Galaxy in Eridanus)

Date & Time: Dec 27 2003, from 22:58 to 23:14 JST(+0900)
Composed 3 shots with 8 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: Fujifilm FinePix S2 Pro
Location: Ooizumi vil., Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto

NGC1637 / Galaxy, type SAB(rs)bc pec II
R.A.04h 41m 28.2s (2000.0)
Dec.-02° 51' 30" (2000.0)
Apparent Size4.0×3.3'
Radial Velocity+710km/s
Group of GalaxiesN/A
Other IDsMCG0-12-68, UGCA93
CGCG393-66, PGC15821
A spiral galaxy in northeast edge of Eridanus is NGC1637. You can find it out about 1 degree west from mu Eri. The galaxy has a round shape with its diameter of 4 arc minutes, naked eyes can detect its dimmed light with aid of medium ranged telescope. The galaxy has a dark lane in northern part, your eyes will be able to see the galaxy's uneven light.

Around NGC1622


Copyright(c) 2004 by Naoyuki Kurita, All rights reserved.
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