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Observers: Alessandro Dimai, Giuseppe Menardi, Diego Gaspari
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: February 18, 1997
Three images of the comet Hale Bopp taken on February 18 with a Takahashi 102 mm f/6 (first image), exp. 7', 300 mm lens f/2,8 (second image), exp. 4' and 28 mm lens f/2.8 (third image), exp. 2' (Kodak Express Gold 400 II hyper.) from Col Druscie Observatory (first & second image and from "Cinque Torri" Mountains, Cortina d'Ampezzo, Italy (2200 mt.) The authors are: Alessandro Dimai, Giuseppe Menardi and Diego Gaspari. The comet was of magnitude 0.8 with a naked eye visible ion tail of ~10 deg. and a diffuse dust tail of ~4 deg.
Alessandro Dimai
Comet Hale-Bopp Home Page