James St. John:
Comet Wirtanen & the Pleiades (December 2018)
James St. John:
Comet NEOWISE (16 July 2020) 1
James St. John:
Comet NEOWISE (16 July 2020) 2
James St. John:
Roman coin (Comet Caesar) 1
James St. John:
Roman coin (Comet Caesar) 2
James St. John:
Roman coin (Comet Caesar) 3
James St. John:
Roman coin (Comet Caesar) 4
James St. John:
Comet P/2019 LD2