1) Discoverer of six comets 2) Italian astronomer 3) Italian surname
Found on
https://www.crosswordclues.com/clue/donati
[crater] The outer wall of Donati has been eroded by subsequent impacts, particularly in the south and east, where craterlets overlie the rim. The distorted northern rim is joined with the irregularly shaped satellite crater Airy C. The inner floor of Donati is irregular and marked by small craters, particularly in the south and southwest. ...
Found on
http://en.wikipedia.org/wiki/Donati_(crater)
No exact match found.
