Author: Greg McKay
Date and time: 2016 December 4th, 00:15 UT
Focal length: 3048 mm
Here's a quick video of the event. It replays several times at normal speed, then slowed down to 10% normal speed and then zoomed into the area of the transit and slowed down to 10%. Captured with the ZWO ASI 1600 camera attached at prime focus to my Meade 12" SCT.