Eclipse 2017
I set up an aluminum-foil pinhole camera to record the eclipse on August 21, 2017, and I made a time-lapse video of its projection onto a whiteboard. Here's the result:
Download: MP4 (1152x768 12fps, 2.8MB); GIF (600x600 12.5fps, 14MB).
We also got a much better show through the holes in a colander someone had brought:
Click to enlarge, or download full resolution (6000x4000, 14MB).
(Thanks to the person who brought the colander! If it was you, send me an email so I can properly credit you.)