I have a Sky-Watcher Star Discovery 90i WiFi computerised telescope, but I’m struggling to use the Go-To system. Can you help
DAWN RUTHIN
This telescope is made up of a 90mm refractor and
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I have a Sky-Watcher Star Discovery 90i WiFi computerised telescope, but I’m struggling to use the Go-To system. Can you help
DAWN RUTHIN
This telescope is made up of a 90mm refractor and
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