NGC5170 is a fine egded-on-galaxy (typed SA(s)c) at about 60.000 light-years distance from earth in the constellation of Virgo.Its yellowish core area is caused by old stars,while the younger ones in the outer arms are shining much bluer.
Very prominent is the dark lane,contrasting quite a lot to the bright core region.
With an appearent size of 10.0´x 1.5´arc-minutes and a brightness of about 11 mag. NGC5170 is an easy telescope-object.
NGC5170 was detected in 1785 by William Herschel.
position (epoch 2000):
RA.: 13h 29m 48,8s
Decl.:-17° 57′ 59″
LRGB image with L = 16x1200s, RGB = 7x1200s each,a total of 12.3 hours
80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB Gen-II filters
Prompt 7 CTIO/UNC Chile,remote controlled
image processing: Bernd Flach-Wilken
this 18,5´x18.5´ (=85% FOV) wide field shows the edged-on-galaxy NGC5170.North is up.
The weak galaxy north of NGC5170 is PGC47400,the southern one PGC873674.
For full resolution click here
here is a more detailed look to NGC5170:
this is how the HST sees this edged-on-galaxy