Comet 17P/Holmes. Posted December 13th, 2007 by Harri Haukka & filed under Comets. Comet 17P/Holmes was photographed 12/13.12.2007 night at THO using Canon EOS 350D camera with 55-200mm lens using Paramount ME tracking system and camera mount made by Hannu Aartolahti. Observers at THO: Markku Nissinen and Veli-Pekka Hentunen. « Previous Post Next Post »