Comet Hyakutake. February 18, 1996.
Combination of a 25 minute exposure and a 17 minute exposure, Fuji Super G 400 film.
300mm f/6 newtonian at prime focus.
On this night, the comet was magnitude 8.4 (up from 8.8 on February 10) with a strong central condensation and a 20' tail.