X/1106 C1

X/1106 C1
(Great Comet of 1106)
Discovery[1]
Discovery date2–16 February 1106
Orbital characteristics[1][2]
Observation arc15–70 days
Orbit typeKreutz sungrazer
Orbital period~400–500 years
Last perihelion1106

X/1106 C1, also known as the Great Comet of 1106, was a comet that appeared on 2 February 1106, and was observed around the world from the beginning of February through to mid-March. It was recorded by astronomers in Wales, England, Japan, Korea, China, Continental Europe, and Egypt.

It was observed to split into many pieces,[3] forming the Great Comet of 1882 and Comet Ikeya–Seki as well as over 4000 small sungrazing comets observed by the SOHO space telescope.[4][5] It is a member of the Kreutz Group, known as Subfragment I, a split from an earlier large (~150 km) comet that progressively fragmented under the influence of the Sun, possibly the Great Comet of 371 BC.[2][6][1]

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