Deep Sky Object in Spring
NGC3877(Galaxy in Ursa Major)


Date & Time: Feb 6 2021, from 24:13 to 25:20 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


NGC3877 / Galaxy, type SA(s)c:II-III
R.A.11h 46m 07.5s (2000.0)
Dec.+47°29' 40" (2000.0)
Apparent Size5.8×1.2'
Radial Velocity+838km/s
Magnitude11.8
Distance50 million light yrs.
Group of GalaxiesUrsa Minor S
Other IDsUGC 6745, CGCG 243-4
MCG +8-22-2, IRAS 11434+4746
PGC 36699
NGC3877 is a medium-scaled spiral galaxy positioned at 17 arc minutes south of χ-Uma that is glittering at the upper edge of this image. The galaxy has an elongated shape stretched in NE-SW direction with a length of a bit smaller than 6 arc minutes; we can detect a light of central bulge through scopes. NGC3877 is belonging to a closer galaxy group with surrounding galaxies, and has been estimated as about 50 million light years away.



Around NGC3733, 3756, Abell 1318
Around NGC3898, Abell1377

Copyright(c) 2021 by Naoyuki Kurita, All rights reserved.
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