Great Comet of 1811

astronomical object

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.

Drawing of the comet as it was seen