Post-perihelion Evolution
After its perihelion passage, the comet moved into dark skies, and although it faded as it receded from the Sun it remained one of the most prominent objects in the sky. On 30 September, observers, including Finlay and E. E. Barnard, began to notice that the comet's nucleus was elongated and broken into two pronounced bright balls of light, and by 17 October it was clear that it had broken into at least five fragments. Observers reported that the relative brightness of the fragments varied from day to day.
In mid-October, the comet developed a notable antitail, pointing towards the Sun. Anti-tails are a fairly common cometary phenomenon, and result from orbital geometry giving the appearance of a tail pointing towards the Sun although material can only be driven away from the Sun.
The nucleus reached its maximum apparent size in December 1882. The comet faded gradually, but despite its fragmentation it remained visible to the naked eye until February 1883. The last definite sighting of the comet was made by B. A. Gould at Córdoba on 1 June 1883.
Read more about this topic: Great Comet Of 1882
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