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In Parramatta, Australia, Scottish astronomer James Dunlop discovered Centaurus A (pictured), which was later recognised as one of the nearest radio galaxies to Earth.

Historical image related to In Parramatta, Australia, Scottish astronomer James Dunlop discovered Centaurus A (pictured), which was later recognised as one of the nearest radio galaxies to Earth. from April 29, 1826

Parramatta

City in New South Wales, Australia

Parramatta is a city and major commercial centre in Greater Western Sydney. Parramatta is located approximately 24 kilometres (15 mi) west of the Sydney CBD, on the banks of the Parramatta River. It is commonly regarded as the second CBD of metropolitan Sydney.
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James Dunlop

19th-century Scottish astronomer

James Dunlop FRSE was a Scottish astronomer, noted for his work in Australia. He was employed by Sir Thomas Brisbane to work as astronomer's assistant at his private observatory, once located at Paramatta, New South Wales, about 23 kilometres (14 mi) west of Sydney during the…
Source: Wikipedia (CC BY-SA)

Centaurus A

Radio galaxy in the constellation Centaurus

Centaurus A 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…
Source: Wikipedia (CC BY-SA)

Radio galaxy

Type of active galaxy that is very luminous at radio wavelengths

A radio galaxy is a galaxy with giant regions of radio emission extending well beyond its visible structure. These energetic radio lobes are powered by jets from its active galactic nucleus. They have luminosities up to 1039 W at radio wavelengths between 10 MHz and 100 GHz. The…
Source: Wikipedia (CC BY-SA)