Observers: Alessandro Dimai, Renzo Volcan, Davide Ghirardo
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: April 9, 1997
Two images of the Hale Bopp comet taken on April 09. The 1st image was taken with a 300 mm lens f/2.8, exp. 3' - Kodak Pro Gold 400 II hipered, The 2nd image is a comparison between comet Hyakutake and Hale Bopp in the same date and region in Perseus near Algol. The authors are: Alessandro Dimai, Renzo Volcan and Davide Ghirardo (Astronomical Association of Cortina) from Col Druscie Obs. The comet was of magnitude -0,4 with a naked eye visible ion tail of 12 deg. and a diffuse and bright dust tail of ~20 deg.
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