17P / Holmes

2007 dec 04

Breil-sur-Roya, 06, F

19:21 UT to 19:46 UT

350D + 300mm f/5.6 lens

21 x 1min 1600iso

Very easily visible with naked eye

20:11 UT to 20:50 UT

350D + 300mm f/5.6 lens

18 x 2min 1600iso

Rings around the comet, not real but probably due to flat division... Green layer