High quality is defined loosely as "At least as good as the 2014 video from china" (https://www.livescience.com/42732-ball-lightning-video.html) although it doesn't have to be a video + visual light spectrum: for example, "unusually reputable eye witness account of ball going through wall + audio recording" or "low resolution security camera footage + high quality examination of aftermath" or "high resolution cell phone footage" would all count.

Strange Ball Lightning Caught on High-Speed Video

The strange phenomenon known as ball lightning that has been reported for centuries was caught, by chance, on high-speed video by researchers studying conventional lightning, providing insight into the weird, glowing orbs.