Duner discovered one NGC object: the galaxy NGC 2273 in Lynx. He found it in 1867 Sept. 15 with the new erected 9.6" Merz refractor at Lund Observatory. It ispublished in AN [1864] 78, 251 (1971); ist was observed by Schultz, in Sept. 1872. After his work at Lund, Duner became director of Upsala observatory in 1888 (see pictures below).

Obituary: Obs. 37, 446 (1914); MNRAS 75, 256 (1915); AN 199, 391 (1914)

Uppsala Observatory

9.4" f/17 Steinheil-Refractor

 

Duner at the 14.2"/13" Double-Refractor (Repsold)