c2006w3_20081207

C/2006 W3 (Christensen)

B/W image with 3 minutes exposure time:

C/2006 W3 (Christensen) � by Bernhard H�usler, Germany

� 2008-12-07 by Bernhard Haeusler, Maidbronn, Germany Moon Phase: 70%, Magnitude limit: ~ 20 mag

Comet: 3 min. exposure, 2008-12-07 UT 20:09, 12" SCT f-6.2 + CCD ST10XME The documentation of the photometry
Stars: 120 min. exposure

image centered on the comet::

C/2006 W3 (Christensen) � by Bernhard H�usler, Germany

� 2008-12-07 by Bernhard Haeusler, Maidbronn, Germany Moon Phase: 70%

40 x 3 min. exposure, 2008-12-07 UT 18:26 to UT 20:30, 12" SCT f-6.2 + CCD ST10XME

... to work out the central condensation and the realistic shapes of coma and tail, I tried out a self made histogram:

C/2006 W3 (Christensen) � by Bernhard H�usler, Germany

� 2008-11-30 by Bernhard Haeusler, Maidbronn, Germany Moon Phase: 70% Histogram: User defined

40 x 3 min. exposure, 2008-12-07 UT 18:26 to UT 20:30, 12" SCT f-6.2 + CCD ST10XME

The Spanish comet photographer Gustavo Muler produced the following image processing with logaritmic scaling of Astroart

� 2008-12-14 by Gustavo Muler, Spain

� 2008-12-14 by Gustavo Javier Muler Schteinman, Spain
special thanks to Gustavo!