Daily Archives: March 13, 2015

Centaurus A, NGC 5128


Centaurus A or NGC 5128 is a prominent galaxy in the constellation of Centaurus. It was discovered in 1826 by Scottish astronomer James Dunlop from his home in Parramatta, in New South Wales, Australia. There is considerable debate in the literature regarding the galaxy’s fundamental properties such as its Hubble type (lenticular galaxy or a giant elliptical galaxy) and distance (10–16 million light-years). NGC 5128 is one of the closest radio galaxies to Earth, so its active galactic nucleus has been extensively studied by professional astronomers. The galaxy is also the fifth brightest in the sky,  making it an ideal amateur astronomy target, although the galaxy is only visible from low northern latitudes and the southern hemisphere.

Imaging telescopes or lenses: Faulkes Telescope South
Imaging cameras: Fairchild CCD486 BI
Software: DeepSkyStacker
Filters: H-Alpha-6566,  Bessell-B,  SDSS-R, Bessell-V
Resolution: 1459×1464
Dates: Feb. 7, 2014
Frames: 20×90″
Integration: 0.5 hours
Avg. Moon age: 7.55 days
Avg. Moon phase: 51.82%
RA center: 201.370 degrees
DEC center: -43.018 degrees
Orientation: 179.769 degrees
Field radius: 0.116 degrees
Locations: Siding Spring Observatory, Sydney, Australia
Author: Matthew

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