Career
He has discovered numerous asteroids from his backyard observatory in Sudbury, Massachusetts (International Astronomical Union code 817). His special interests include astronomical photography and the history of astronomical photography, telescope making, and astronomical observing. During 1978 and 1979 he was the first person to successfully photograph the analemma, making 48 separate exposures on a single piece of film during a 12-month period.
The project is described in the June 1979 issue of Sky & Telescope.
The asteroid 3841 Dicicco was named after him. He grew up in Hanover, Massachusetts.
