Deep Sky Object in Spring
NGC4216 (Galaxy in Virgo)

Date & Time: Feb 21 2009, from 22:31 to 22:56 JST(+0900)
Composed 4 shots with 8 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 D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1600

NGC4216 / Galaxy, type SAB(s)b: II
R.A.12h 15m 53.1s (2000.0)
Dec.+13° 08' 58" (2000.0)
Apparent Size8.2×1.8'
Radial Velocity+459km/s
Distance54.8 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC7284, MCG2-31-72
CGCG69-112, PGC39246
NGC4216 is a member galaxy of the Virgo Cluster, positioned almost just on a border between constellations of Virgo and Coma Berenices. You can find it about 6 degrees and 40 arc minutes ESE from Denebola, beta Leo. We're overlooking the galaxy from almost edge-on angle; clear central nucleus and dark lane being crossing can be recognized. The galaxy has an apparent thickness and length of 1.8 and 8 arc minutes respectively.
The NGC4216 is one of easy-appreciating galaxies in Virgo Cluster in which uncountable galaxies are scattered. And it's the brightest one in all member galaxies without Messier's number. You can see other two fine edge-on galaxies in NE and SW of NGC4216. They have numbers of NGC4222 and NGC4206 respectively; both have brightness about 13 to 14th magnitudes.



Copyright(c) 2009 by Naoyuki Kurita, All rights reserved.
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