Paola Battaglia and Filippo Riccio
Location of Photo:
Varzi, Near Passo del Giovà, Apennine mountains, Italy
Date/Time of photo:
2007-11-02 20.00 UTC
Vixen R200SS 200mm f/4 with coma corrector, Canon EOS 20Da, EQ6 Synscan. 3x5min at ISO 800 plus 2x5min at ISO 100. Processed with IRIS and Photoshop Elements.
Comet 17P/Holmes. A faint ion tail is visible on the left.