Deep SKy Object in Spring
NGC4567 & NGC4568 (Galaxies in Virgo)


Date & Time: Apr 28 2017, from 25:44 to 26:17 JST(+0900)
Composed 12 shots with 3 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
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...ISO6400, White Balance...Daylight


NGC4567 / Galaxy, type SA(rs)bc III
R.A.12h 36m 32.8s (2000.0)
Dec.+11° 15' 31" (2000.0)
Apparent Size2.9×2.0'
Radial Velocity+2588km/s
Magnitude12.1
Distance52 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC7777, MCG2-32-151
CGCG70-189, PGC42064
NGC4568 / Galaxy, type SA(rs)bc III
R.A.12h 36m 34.7s (2000.0)
Dec.+11° 14' 15" (2000.0)
Apparent Size4.6×2.0'
Radial Velocity+2578km/s
Magnitude11.9
Distance52 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC7776, MCG2-32-152
CGCG70-188, PGC42069
This image shows you two tiny spiral galaxies positioned around southern region of Virgo Cluster. Right one is NGC4567 and left one has a number of NGC4568. Both spirals are very dimmed and have brightness of about 12th magnitude. And apparent sizes are 3 or 4 arc minutes or so.
This pair looks snuggling each other, this noticeable view has attracted our attention. These two galaxies are being close, it's considered that they're just colliding. We can observe other several examples of colliding galaxies in heavens like the Antennae in the constellation of Corvus. It's not rare case that plural galaxies have near miss or collision.



NGC4527, NGC4536
NGC4592

Copyright(c) 2017 by Naoyuki Kurita, All rights reserved.
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