On Thu, 1 Nov 2007 21:40:58 +0200, "I.N. Galidakis"
wrote:

do you or anyone else have spectral data on Holmes?

Check out John Menke's report at
http://menkescientific.com/Comet17P-Holmes.pdf


Such as what kind of spectrum does it have and what are the most prominent
elements that show on its spectrum?

CN, C2, NH2.

_________________________________________________

Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com