Discoveries by Theodor Brorsen

globular cluster

5D/Brorsen (also known as '''Brorsen's Comet or Comet Brorsen''') was a periodic Jupiter-family comet discovered on February 26, 1846, by Danish astronomer Theodor Brorsen. The comet was last seen in 1879 and is now considered lost.

Danish astronomer (1819-1895)

23P/Brorsen–Metcalf is a periodic comet with an orbital period of 70 years. It fits the classical definition of a Halley-type comet.