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The Great Comet of 1861 (formally designated C/1861 J1) 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. Comet Hale-Bopp A comet is a small body in the solar system that orbits the sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail — both due primarily to the effects of solar radiation upon the comets nucleus, which itself is a minor planet...
A naked eye is a figure of speech, referring to human eyes unaided by enhancing equipment such as a telescope or binoculars. ...
Great Comet West in 1976 A Great Comet is a comet which becomes particularly bright and spectacular. ...
Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ...
It was discovered by John Tebbutt of Windsor, New South Wales, Australia, on May 13, 1861, with an apparent magnitude of 4, a month before perihelion (June 11). It was not visible in the northern hemisphere until June 29, but it arrived before word of the comet's discovery. Windsor is a town in New South Wales, Australia. ...
May 13 is the 133rd day of the year in the Gregorian Calendar (134th in leap years). ...
1861 is a common year starting on Tuesday. ...
The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ...
This article is about several astronomical terms (apogee & perigee, aphelion & perihelion, generic equivalents based on apsis, and related but rarer terms. ...
June 11 is the 162nd day of the year in the Gregorian Calendar (163rd in leap years), with 203 days remaining. ...
June 29 is the 180th day of the year (181st in leap years) in the Gregorian Calendar, with 185 days remaining. ...
The comet of 1861 interacted with the Earth in an almost unprecedented way. For two days, when the comet was at its closest (0.1326 AU), the Earth was actually within the comet's tail, and streams of cometary material converging towards the distant nucleus could be seen. By day also the comet's gas and dust even obscured the Sun. The astronomical unit (AU or au or a. ...
By the middle of August the comet was no longer visible to the naked eye, but it was visible in telescopes until May 1862. An elliptical orbit with a period of about 400 years was calculated, which would indicate a previous appearance about the middle of the 15th century, and a return in the 23rd century. 1862 was a common year starting on Wednesday (see link for calendar). ...
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