Following are listed several sites of interest to anybody who might look up at the night sky and wonder, "What's up there?", whether it be satellites or celestial objects.
Night Sky Observer
Heavens Above
Your Sky
Skyview Virtual Observatory
Track the International Space Station
Spacecraft Sightings
Perhaps you would also be interested in the Lunaria
which has day-by-day information about the
(available through Amazon.ca):
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