It doesn't take an advanced telescope, and it doesn't even need to track (much) because the satellite is geostationary. Here's what the ISS looks like from Ear

It doesn't take an advanced telescope, and it doesn't even need to track (much) because the satellite is geostationary. Here's what the ISS looks like from Earth in an amateur telescope. The Intelsat appears as a dot because it's smaller and much farther away. https://www.themarysue.com/iss-shuttle-in-daylight/ https://www.themarysue.com/iss-shuttle-in-daylight/