I was preparing some new ASC filters for testing tomorrow, so I placed the new filters in unused filter banks of CHARD P. I loaded the coefficients, not realizing there were other differences in the ASC file. This pulled us out of observing. I am not sure what the ASC diffs were, as they were all related to the camera servos. Before Tony or I could investigate what the diffs were, they resolved themselves. It looks like the camera servos briefly turned themselves off and back on.
Apologies for the out-of-observing! It looks like whatever the issue was, it resolved itself.