A view of
Comet Hale-Bopp over the castle near Vilspa, the ISO control centre. Kodak 100
ASA print film, exposure time 30s, 50mm lens at f4.
Picture courtesy of K.
Leech
Observations of Comet Hale-Bopp by ISO are dicussed in;
"The infrared spectrum of comet C/1995 O1 (Hale-Bopp) at 4.6 AU from the Sun", Crovisier, J. et al.
and recent ISO/ESA Information Notes