Deep Sky Object in Spring
NGC4866 (Galaxy in Virgo)


Date & Time: Apr 10 2021, from 26:03 to 27:09 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


NGC4866 / Galaxy, type SA(r)0+: sp
R.A.12h 59m 27.4s (2000.0)
Dec.+14° 10' 15" (2000.0)
Apparent Size9.2×1.3'
Radial Velocity+1910km/s
Magnitude12.1
Distance55 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC 8102, CGCG 71-92
MCG +2-33-45, PGC 44600
UGC8085 / Galaxy, type SBcd?
R.A.12h 58m 17.7s (2000.0)
Dec.+14°33' 18" (2000.0)
Apparent Size3.4×2.8'
Radial Velocity+2047km/s
Magnitude14.5
DistanceN/A
Group of GalaxiesVirgo Cluster
Other IDsCGCG 100-18, MCG +3-33-18
PGC 44432
Around the lower left hand of this image shows you a comparatively larger-scaled spiral galaxy NGC4866 in north edge of Virgo. NGC4866 has been positioned at eastern edge of the Virgo Cluster. The galaxy has a long axis of 9 arc minutes but visual brightness is only 12th magnitude, it's not so striking one compared with plenty of member galaxies. You will be able to detect the galaxy as an only elliptic light without worthy of mention. This picture can be captured a bright central bulge, an elliptic surrounding structure, and a dimmed outer part.
And a small galaxy in the upper right hand side is UGC8085. The galaxy has a size of a bit larger than 3 arc minutes and a brightness of 14th magnitude.



NGC4818
NGC4939

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