8P/Tuttle - 2007 December 15

Comet 8P/Tuttle on 15 December 2007, 17:23h UT, in an image by Christian Harder. Harder noted that the comet passed planetary nebula NGC 40. Details: "Cometcather 140/500 mm + C 350D, 4.5 min. exposure at 800 ASA."