A (weekly) time sequence of Comet 17P Holmes taken with a 15" Astrograph & ST8XE at the Bareket observatory Israel, showing its wonderful coma expansion.
Exposure times = 10 Sec. with Lum filter.
http://bareket-astro.com/BAREKET_GALLERY/in.scope/src/29.gif
And also at :
http://www.youtube.com/watch?v=rbFTLycRSZA
Best regards,
Ido.
http://bareket-astro.com/en.html