Here's the latest prediction for Sunday's pass of ISS across the Sun. Looks like for observers on the centerline the transit will last a full 8/10s of a second (the last one was a bit less than half a second). http://www.calsky.com/? Transitline=&obs=79303019710733&tdt=2454395.30648688&sat=25544&interval= 0.00011574&step=0.00000231&mainbody=0 patrick