There were 4000 who attended the recent 2011, June 2nd,3rd,and 4th convention.
About 450 people total, attended the astronomy workshops, divided among the 10 sessions over three days.
If you attended an astronomy workshop session at the ICHE conference and are looking for links and downloads, you’ve come to the right place!
Please see the Resources page for links and downloads.
Also check out ICHE PICTURES, for pictures of the workshops.