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 as its Hubble type and distance. It is the closest radio galaxy to Earth, as well as the closest BL Lac object, 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. It is only visible from the southern hemisphere and low northern latitudes.
The galaxy Centaurus A or NGC 5128 is discovered by James Dunlop.
On April 29, in the year 1826, The galaxy Centaurus A or NGC 5128 is discovered by James Dunlop. This event is recorded as a Historical Events event in the history of April 29, one of 350 recorded events on this date across all of history.
Key Facts
- This event took place on April 29, 1826 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- Wikipedia source last updated on 27 April 2026.
On This Date in History 350
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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