About this Image
The Centaurus A galaxy is situated in the M83 group of galaxies. It is one of the most investigated and peculiar galaxies in the sky,
and is a strong source of radiation in all frequency ranges; it is actually the nearest radio galaxy.
A supermassive black hole at the center of the galaxy is exciting the surrounding areas to emit various kinds of powerful radiation.
20 " Keller cassegrain in corrected secondary focus at f/9
|Camera||SBIG STL-11000M at -15C, 8-pos STL filter wheel|
|Date||Apr 30, 2008|
|Sky Conditions||dark skies, raw FWHM 1.2-1.4" temperature 15 C,|
C:L:R:G:B = 40:60:30:30:30 minutes
(20-minute sub-exposures for C, others 10 minutes); all 1x1.
Maxim DL 4.5;