As you can see, the little dot has moved up and away...
STS007-18-775http://eol.jsc.nasa.gov/sseop/images/IS ... 18-775.JPG
Now notice the new anomaly to the right of the tail section?
Turns out it was in the first picture too,
but much dimmer, and in the same exact spot.
To be continued...
(Don't cheat and look up the rest of rest of the images!)