
Ercole (Hercules)Dembowski (12 January 1812 – 19 January 1881) was an Italianastronomer.
Dembowski was born inMilan. He inherited the title of "Baron" as the son ofJan Dembowski (Dębowski), one ofNapoleon'sPolish generals. He served inthe navy ofAustria-Hungary until 1843 when he retired for health reasons toNaples.[1]
He was a tireless observer ofdouble stars and made tens of thousands ofmicrometer measurements. In particular, he remeasured many double stars fromFriedrich Struve'sDorpat Catalogue, noting how some of them had changed position over the years due to their mutual orbit asbinary stars.
He won theGold Medal of the Royal Astronomical Society in 1878.
The craterDembowski on theMoon is named after him, as well as themain beltasteroid349 Dembowska.