[telescope115]

There is an observatory at the South Pole. In 1994 when Shoemaker-Levi 9 hit Jupiter, that observatory was the only one to capture all of the impacts.

I don’t know if this can be corroborated online, but I heard it first hand from an astronomer from Yerkes Observatory who was staying at the South Pole at the time. His name was John Briggs.

https://www.aavso.org/node/85883

[SunkenCiv]

The first impact at least hit on the “night side” of Jupiter and wasn’t visible from Earth. The Hubble was watching like a hawk, and the Galileo probe was orbiting Jupiter at the time.

https://solarviews.com/eng/impact.htm