The Great Comet of 1843, formally designated C/1843 D1 and 1843 I, was a long-period comet which became very bright in March 1843 (it is also known as the Great March Comet).
Большая мартовская комета 1843 года (официальное обозначение C/1843 D1) — долгопериодическая комета, ставшая чрезвычайно яркой в марте 1843 года.