Automation fail - if you use a computer or other automated camera set up, make sure everything is set correctly. The more intelligent the device, the higher the chance of a failure and thus the more time and diligence you need to spend in set up. That said, automation is still the best way to go so you can enjoy the eclipse itself.

(c) Eclipse Nuts Cartoon by Bill Kramer. Uploaded Mon, 10 Apr 17 07:06:06 -0400