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Next perihelion. ≈ 48th century. 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, 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 .
In October 1811, at its brightest, and when it was 1.2 AU from Earth, it displayed an apparent magnitude of 0, with an easily visible coma. The Great Comet of 1811, 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 ...
Observational history. Before 1812. 1812 discovery. 1884. 1954. 2024 passage. Orbit. Meteor showers. Notes. References. Sources. External links. 12P/Pons–Brooks is a periodic comet with an orbital period of 71 years. [9] . Comets with an orbital period of 20–200 years are referred to as Halley-type comets.
- 1812; 1884 I; 1954 VII; C/1457 A1; C/1385 U1
- 2024-05-10
- July 12, 1812
Oct 10, 2020 · The Great Comet of 1811 over the Katz Castle in the German town of St. Goarshausen in what is now Rhineland-Palatinate. After being hidden in sunlight for two months the comet began emerging into twilight around mid-August, already as bright as 2nd or 3rd magnitude.
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 ...
