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Contains:  NGC 5128
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NGC 5128 Centaurus A, 


            Matt Hughes
NGC 5128 Centaurus A
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NGC 5128 Centaurus A

Technical card

Dates:April 19, 2018

Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 13x360" -10C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 13x360" -10C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 27x600" -10C bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 13x360" -10C bin 1x1

Integration: 8.4 hours

Flats: ~40

Bias: ~200

Avg. Moon age: 3.68 days

Avg. Moon phase: 14.56%

Bortle Dark-Sky Scale: 2.00

Basic astrometry details job: 2048180

RA center: 13h 25' 24"

DEC center: -43° 1' 51"

Pixel scale: 0.876 arcsec/pixel

Orientation: 180.370 degrees

Field radius: 0.505 degrees

Resolution: 3253x2574

Locations: Central Victoria, Dark Site, Victoria, Australia

Data source: Backyard


I think I had some sag in the 1.6 ext adapter because my stars were elongated. The previous night stars were all below 0.42 Ecc. These were all above 0.6 Ecc. Not sure what happened, seeing was pretty good. Anyway here is NGC 5128. Comments welcome.

Centaurus A or NGC 5128 is a 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)[9] and distance (10–16 million light-years).[2][3][4][5][6] NGC 5128 is one of the closest radio galaxies to Earth, so its active galactic nucleus has been extensively studied by professional astronomers.[12] The galaxy is also the fifth-brightest in the sky,[12] making it an ideal amateur astronomy target,[13] although the galaxy is only visible from low northern latitudes and the southern hemisphere.
The center of the galaxy contains a supermassive black hole with a mass equivalent to 55 million solar masses,[14] which ejects a relativistic jet that is responsible for emissions in the X-ray and radio wavelengths. By taking radio observations of the jet separated by a decade, astronomers have determined that the inner parts of the jet are moving at about half of the speed of light. X-rays are produced farther out as the jet collides with surrounding gases resulting in the creation of highly energetic particles. The X-ray jets of Centaurus A are thousands of light-years long, while the radio jets are over a million light-years long.[15]
Like other starburst galaxies, a collision is suspected to be responsible for the intense burst of star formation. Models have suggested that Centaurus A was a large elliptical galaxy that collided and merged with a smaller spiral galaxy



Matt Hughes
License: None (All rights reserved)

Sky plot

Sky plot


NGC 5128 Centaurus A, 


            Matt Hughes