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Calanca/Facchini Images of Comet Hale-Bopp


Observers: R. Calanca, M. Facchini
Location: Osservatorio Astronomico di Cavezzo, Italy
Date: February 22, 1997 04:15 UT

The sum of 12 images of 5 seconds of integration time of the Hale Bopp comet has been realized on the 22th february 1997 at 4h 15m UT in the Astronomical Observatory of Cavezzo, with the 40 cm telescope and the CCD camera 512x512, field: 12'x12'. The image has been treated with the Larson Sekanina rotational algorithm; 10 degrees; -2 pixels and 10 degrees rotation; -2 pixels translation and sawtooth scaling and false color(the North is up, East on the left).The gas shells which surround the nucleus, are clearly visible.

Image : R. Calanca, M. Facchini. Digital processing: M. Facchini. Osservatorio Astronomico Cavezzo (Italy). E-Mail :

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