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High-resolution image of Centaurus A showing the discrete elements of galactic core; Centaurus A at UniverseToday.com; NGC5128 Centaurus A; NGC 5128 at DOCdb (Deep Sky Observer's Companion) Centaurus A on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images; Centaurus A at Constellation Guide
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More surprising is the beautiful rich blue colour that looks much like the coloured images of Neptune taken by Voyager 2 in 1989. Spectroscopy reveals NGC 3918 is approaching us at 17±3.0 kilometres per second, while the nebulosity is expanding at around 24 kilometres per second.
Centaurus / s ɛ n ˈ t ɔːr ə s,-ˈ t ɑːr-/ is a bright constellation in the southern sky. One of the largest constellations , Centaurus was included among the 48 constellations listed by the 2nd-century astronomer Ptolemy , and it remains one of the 88 modern constellations .
Caldwell advocates, however, see the catalogue as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...
NGC 5102, also known as Iota's Ghost, [6] is a lenticular galaxy in the Centaurus A/M83 Group of galaxies. It was discovered by John Herschel in 1835. Distance measurements
The atlas includes the nearby radio galaxies M87 (Arp 152) and Centaurus A (Arp 153). The peculiar associations present in the catalogue are now interpreted as galaxy mergers or non-interacting line-of-sight overlap, though Arp disputed that idea, claiming that apparent associations were examples of ejections.
G292.0+01.8 is a supernova remnant located in the constellation Centaurus. It first gained notice as a strong radio source, and eventually deep images revealed a hot optical nebula at the location. It lies about 15,000 light years away. The remnant's spectrum shows no detectable lines of hydrogen and helium and the presence of only oxygen and neon.