17P/Holmes | Lorenzo Comolli

Photographer
Lorenzo Comolli
Email
comolli@libero.it
Location of photo
Tradate, VA, Italy
Date/Time of photo
31 nov 2007, 19.03 UT
Equipment
Schmidt Camera 300mm f/2.0 + CCD from a light polluted city. Total exposure 90 min with RGB filters. Central dust coma elaboration with Larson-Sekanina 10°. North is up.
Description
The comet tail. Finally also this comet start to develop a (small) tail, now mainly of gas (as can be foud from the blue color). The main tail component is at PA 210° and a secondary tail is at PA 245°, extending from the optocenter respectively about 32' and 26'. Many other filaments seems to be present. The dust coma is 12' diameter and the gas coma is about 33'.
Website
http://www.astrosurf.com/comolli/index2.htm