Deep Sky Object in Spring
NGC4517 (Galaxy in Virgo)


Date & Time: Mar 8 2024, from 23:32 to 24:27 JST(+0900)
Composed 10 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression 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


NGC4517 / Galaxy, type SA(s)cd: sp
R.A.12h 32m 44.1 (2000.0)
Dec.+00°06' 57" (2000.0)
Apparent Size11.2×1.5'
Radial Velocity+1185km/s
Magnitude11.5
Distance40 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsNGC 4437, UGC 7694
CGCG 14-63, MCG +0-32-20
IRAS 12301+23, PGC 41618
NGC4517A / Galaxy, type SB(rs)dm: III-IV
R.A.12h 32m 28.1s (2000.0)
Dec.+00°23' 22" (2000.0)
Apparent Size5.1×3.4'
Radial Velocity+1501km/s
Magnitude12.5
Distance40 million light yrs.
Group of GalaxiesVirgo Cluster
Other IDsUGC 7685, CGCG 14-62
MCG +0-32-19, PGC 41578
NGC4517 is a comparatively larger edge-on galaxy at 3 degrees northwest of gamma Vir. The galaxy has an apparent brightness of 11th magnitude and a long axis of over 10 arc minutes, you can recognize its indistinct shape with larger telescopes. NGC4517 has been classified as a spiral but the central bulge looks unevolved. This image shows a minor dark lane crossing the center of galaxy.
You can find out a companion galaxy of NGC4517A at about 20 arc minutes north of NGC4517. The galaxy looks dimmer with 12.5th magnitude in brightness. The structure seems indistinct but the galaxy has been grouped in the barred galaxy.



NGC4450
NGC4526, NGC4535

Copyright(c) 2024 by Naoyuki Kurita, All rights reserved.
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