About 40 years ago, I made a challenging observation, visually with a 200mm F/6 Newton, of the 13th magnitude quasar 3C273 in Virgo.
The sheer distance of 2 billion lightyears made your head spin around.
Tonight, I imaged quasar 3C309.1 in Ursa Minor; it has magn 16.8 and a distance of 8 billion lightyears.

So many satellites, here is a stack that shows all satellite tracks over a 15x120s or half an hour period;

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