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Physical characteristics. Dimensions. 30−40 km [3] The Great Comet of 1811, [4] formally designated C/1811 F1, is a comet that was visible to the naked eye for around 260 days, the longest recorded period of visibility until the appearance of Comet Hale–Bopp in 1997.
The Great Comet of 1811 ( C/1811 F1) was a comet visible to the naked eye for about 260 days. This was a record until the appearance of Comet Hale–Bopp in 1997. In October 1811, at its brightest, it displayed an apparent magnitude of 0, with an easily visible tail.
The Great Comet of 1811, first observed in March and easily visible in the night sky during September and October, made a dramatic backdrop for the first weeks of the trip. More information on the Great Comet of 1811 is available from astronomer Gary W. Kronk.
The Comet, named after a great comet which had been visible for several months in 1811–12, was built by Messrs John Wood and Co., at Port Glasgow 3 miles east of Greenock on the south bank of the River Clyde as it widens into the Firth of Clyde.
Oct 10, 2020 · Both comets were visible for a long period of time and both of them were among the brightest and most-observed comets of their respective timeframes. Although it was never formally named for him, the Great Comet of 1811 was discovered by a French astronomer, Honore Flaugergues, on the evening of March 25 of that year.
The comet was visible for the first time on the 5th September, 1811. On the 7th, at half past seven o'clock, P. M. it was observed by professor Wood, of William and Mary College, and its situation then as calculated by that gentleman is thus described: it was in the same line with the polar star, and alpha and beta or the two pointers of the ...
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The Great Comet of 1577, depicted in a woodcut, over Prague. A great comet is a comet that becomes exceptionally bright. There is no official definition; often the term is attached to comets such as Halley's Comet, which during certain appearances are bright enough to be noticed by casual observers who are not looking for them, and become well known outside the astronomical community.
