Deep Sky Object in Spring
Around NGC3158 (Galaxy in Leo Minor)


Date & Time: Dec 19 2020, from 24:28 to 26:09 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


NGC3158 / Galaxy, type E3:
R.A.10h 13m 50.5s (2000.0)
Dec.+38°45' 53" (2000.0)
Apparent Size2.0×1.8'
Radial Velocity+6865km/s
Magnitude11.9
Distance318 million light yrs.
Group of Galaxies -
Other IDsUGC 5511, CGCG 211-22
MCG +7-21-20, PGC 29822
This picture shows you a small-scaled galaxy group at 52 arc minutes northwest of Beta LMi centering on a small elliptical galaxy of NGC3158. The group has about ten member galaxies with brightness of 13th to 15th magnitude scattered in a span of 13 arc minutes. The distance from us has been estimated as 318 million light years.



NGC3137
NGC3166, NGC3169

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