Deep Sky Object in Spring
NGC4494 (Galaxy in Coma Berenices)


Date & Time: Feb 22 2020, from 26:10 to 27:05 JST(+0900)
Composed 10 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


NGC4494 / Galaxy, type E1-2
R.A.12h 31m 24.0s (2000.0)
Dec.+25°46' 32" (2000.0)
Apparent Size4.8×3.6'
Radial Velocity+1324km/s
Magnitude9.8
Distance45 million light yrs.
Group of GalaxiesNGC4565 Group
Other IDsUGC 7662, CGCG 129-5
MCG +4-30-2, PGC 41441
NGC4494 is a bright elliptic galaxy positioned at a degree west of a famous edge-on galaxy of NGC4565 in the constellation of Coma Berenices. Although the galaxy has an apparent diameter of a bit smaller than 5 arc minutes that makes easy to observe with the telescope-aided eyes, has no noteworthy features. The galaxy is forming a small-scaled galaxy group with NGC4565.



NGC4490
NGC4559

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