The Hubble Space Telescope:Is 43 feet long and 14 feet wide. For comparison, a standard semi box trailer is 53 x 8.5 feet.
Travels at 17,000 miles per hour
In these photos, is 665 miles away
1/50 second exposures @ 6 frames per second, 500mm
It wasn't visible with the naked eye, and is barely visible in the images. I had to do a whole lot of pushing to get it to show up and then recomposite the moon back in.
The Hubble is moving right-to-left in this sequence. Variability in the small streaks is due to atmospheric distortion.
Full size section of the capture, 9 frames, 1.5 seconds:
All images from this transit, 26 frames, 4.3 seconds:
I chose a location about 3.5 miles away from the center line so I could get the Hubble just skirting the bottom of the moon.
Transit information:
(via transit-finder.com)