Was that the Blackburn 0-2 in Reidy's last game?, i seem to remember doing the same.
if you take away the season ticket holders that leaves 80,000 bearing in mind at least a third and probably closer to 50% of season ticket holders don't seem to attend CL games then you have the lions share of the 80,000 going to these games. To my eyes on CL a lot of these people filling the gaps of non attending ST holders don't strike me as City fans, many are foreign and just enjoy the chance to watch the CL. There are also certain games in cup competitions when the take up is slow that tickets are given to schools/ clubs etc so the actual number of genuine city fans in the 80,000 i'd argue is considerably lower.