this SA(s)ab-typed galaxy in the constellation of Coma Berenices was first detected by William Herschel in 1784.Sized 5,1′ × 3,9′ with an apparent magnitude of about 10th mag. this galaxy nevertheless has a real distance of 55.000 light-years and is a prominent member of the Virgo-Galaxy-Cluster.
In its active center there could be identified a supermassive black hole.
RA.: 12h 28m 29,6s
Decl.: +17° 05′ 05″
LRGB image with L = 26x1200s, RGB = 9x1200s each,a total of 17.7 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
here you have a look to 77% (17`x 17`) of the FOV of the FLI-CCD-camera.For full resolution click here.Noth is up
this is a more detailed version of NGC4450:
here you have a look to NGC4450 with the HST