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Encyclopedia : C : C : C18 (7 articles)


C/1811 F1
The Great Comet of 1811 (formally designated C/1811 F1) was a comet that was visible to the naked eye for around 260 days. In October 1811, at its brightest, it displayed an apparent magnitude of 0, with an easily visible coma. In December one length of the double tail extended for over 60 degree..
C/1861 J1
The Great Comet of 1861 formally designated C/1861 J1 and 1861 II, was a comet that was visible to the naked eye for approximately 3 months. It was categorized as a Great Comet, one of eight in the 19th century. It was discovered by John Tebbutt of Windsor, New South Wales, Australia, on May 13, ..

 


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