The record breaking comet Hale-Bopp was first observed in 1995 and reached its maximum brightness in 1997. For more information see the Wikipedia article <<https://en.wikipedia.org/wiki/Comet_Hale%E2%80%93Bopp>>.

The notes explain the figures as:  
1-8: The Head of the Comet  
9-24: Fuzziness around the head  
25-32: The Tail of the Comet