I was trying to look up GOES-17 in Spaceflight101 but got sidetracked in the search result and ended up reading this thread about AMC-9, which links to the YouTube video Rough cut video of AMC-9 satellite on Friday night.. The video's notes say:
On the morning of June 17th, the Luxembourg-based satellite operator SES lost control of a large satellite in geostationary space. A few days ago ExoAnalytic Solutions began seeing the AMC-9 satellite fragment. For annotated still images, go here: https://arstechnica.com/science/2017/07/a-large-satellite-appears-to-be-falling-apart-in-geostationary-orbit/
In the sidebar, YouTube recommended a second video; Telkom-1 Satellite Debris Incident.
The first video shows AMC-9 in GEO tumble and break up, and the second shows the moment shows the moment of an actual explosion or impact.
These are fairly rare events to capture by accident.
Question: For expensive, commercial communications satellites in GEO, are they being watched all the time? Or at least at night?
Video's remind me of Scott Manley's video introduction, sans catchy soundtrack (see for example How Well Did SpaceX's new Falcon 9 Work?):