Deep Sky Object in Winter
NGC1637 (Galaxy in Eridanus)


Date & Time: Nov 21 2020, from 22:49 to 23:56 JST(+0900)
Composed 12 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


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
Magnitude11.5
DistanceN/A
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
NGC1723 Group

Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
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