M8 (25sec photo) and two satellites: the first is crossing the screen right through the middle, the second is visible in the bottom-left-hand corner ......
Those pesky satellites - sometimes I get 1 in 10 frames ruined by them.
But once you stacked all frames together, the lines are gone, so they shoudn't really "ruin" much ...
Here is the resultant image - 20 frames x 20sec: http://i.imgur.com/OVdPq.jpg