Hemisphere:  Southern  ·  Contains:  Centaurus A  ·  NGC 5128  ·  NGC5128
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NGC 5128 : Centaurus A, 


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NGC 5128 : Centaurus A

Imaging telescopes or lenses: PlaneWave Instruments CDK 12.5"

Imaging cameras: Atik 414EX  ·  Moravian Instrument G4-16000

Mounts: Astro-Physics Inc AP 1100 GTO

Guiding telescopes or lenses: PlaneWave Instruments CDK 12.5"

Guiding cameras: Atik 414EX  ·  Moravian Instrument G4-16000

Software: TheSkyX  ·  Adobe Photoshop CC 2020  ·  Pixinsight  ·  MaxPilote  ·  FocusMax4

Filters: Chroma Technology Chroma OIII 3nm  ·  Chroma Red  ·  Chroma Technology Chroma Blue  ·  Chroma Technology Chroma Green  ·  Chroma Technology Chroma R  ·  Chroma Technology Chroma L  ·  Chroma Technology Chroma SII 3nm  ·  Chroma Technology Chroma Ha 3nm

Accessory: Skyméca DO 3"

Dates:April 15, 2020

Chroma Technology Chroma Blue: 39x300" -20C bin 1x1
Chroma Technology Chroma Green: 36x300" -20C bin 1x1
Chroma Technology Chroma Ha 3nm: 84x1200" -20C bin 1x1
Chroma Technology Chroma L: 109x300" -20C bin 1x1
Chroma Technology Chroma R: 39x300" -20C bin 1x1

Integration: 46.6 hours

Darks: ~110

Flats: ~44

Bias: ~161

Avg. Moon age: 22.66 days

Avg. Moon phase: 44.59%

Bortle Dark-Sky Scale: 1.00

Astrometry.net job: 3590703

RA center: 13h 25' 28"

DEC center: -43° 1' 2"

Pixel scale: 0.732 arcsec/pixel

Orientation: 1.082 degrees

Field radius: 0.547 degrees

Resolution: 3801x3802

Data source: Own remote observatory

Remote source: Observatorio El Sauce


our First "official" Light from Chile.
(Fabio Mirra, Jean-Christophe Philippe, Didier Rediger-Lizlov)

NGC 5128: Centaurus A
Centaurus A, also called NGC 5128, is a curious massive elliptical galaxy with, at its heart, a supermassive black hole. It is located about 12 million light-years from Earth in the constellation of Centaur and has the distinction of being the most powerful radio galaxy in the sky. Astronomers believe that the bright core, high radio emissions and jet-shaped details of Centaurus A are produced by the central black hole, whose mass is about 100 million times that of the Sun. Matter from the dense central parts of the galaxy releases a large amount of energy when it falls on the black hole.
The radiation that fills the majority of the image comes from hundreds of billions of older, colder stars. However, unlike most elliptical galaxies, the smooth shape of Centaurus A is disturbed by the irregular broadband of dark matter that obscures the center of the galaxy. The dark band contains a large amount of gas, dust and young stars. The bright clusters of young stars at the top right and bottom left of the edges of the band show the red radiation of star-forming hydrogen clouds, while a few isolated dust clouds appear in the starry background. These structures and powerful radio emissions are a strong indication that Centaurus A is the result of a collision between two galaxies. The dusty band is probably the unrecognizable remnant of a spiral galaxy shredding under the gravitational pull of the giant elliptical galaxy.
Two groups of reddish filaments, practically aligned with the huge prominent jets in the radio image, extend from the galaxy to the left corner of the image. Both sets of filaments are star nurseries containing young hot stars. The internal filaments extend over the left side of the dust band, about 30,000 light-years from the core. The outer filaments are visible further outwards, about 65,000 light-years from the galaxy nucleus and close to the upper left corner of the image
[Source ESA]¶
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Sky plot

Sky plot


NGC 5128 : Centaurus A,