I was little surprised then i received this email
Congratulations on getting on the list of 2011 AAVSO Observer Challenge Winners! See you and your fellow winners at http://www.aavso.org/100stars.html Sincerely, The AAVSO

Robert Wahlstrom (WROA) of Sweden has observed 100 or more distinct stars, via CCD, in 100 days.

Actual i did it in about 2 hours with a plan and ACP...