[1] In 1985 he served on a team involved in using the Hubble Space Telescope in a study that focused on Transition Comets—UV Search for OH Emissions in Asteroids.
He was the first amateur astronomer to obtain precise astronometric positions of minor planets using a CCD camera.
In 1997, the inner main-belt asteroid and member of the Flora family, 7132 Casulli, was named by astronomer Antonio Vagnozzi in his honor (M.P.C.
[5][6] Casulli also obtained a light-curve from photometric observations and determined a period of 11.84 hours for the body's rotation.
The group-discovery is credited to the discovering observatory, Osservatorio San Vittore, Bologna.