Lat: 27.6°S, Long: 150.9°E, Diam: 38 km, Depth: km, Rükl: (farside), Upper Imbrian
left: Clementine . right: LROC
Johann Holetschek (August 29, 1846 - November 10, 1923) was an Austrian astronomer, known for his research on comets. He worked at the observatory of the University of Vienna.