You can't get a clear picture of a UFO by definition. As soon as you get a clear picture it stops being an unidentified flying object and starts being either an identified flying object or an inconvenient optical effect.

however, don't let these simple facts ruin the magic. ;)

Sometimes the real world is more fun: China has hypersonic FO operational since 2019 per https://en.m.wikipedia.org/wiki/DF-ZF