Celestron
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Celestron NexStar serial-to-USB cable
$22.95The Celestron #93920 NexStar RS-232 Cable connects your NexStar telescope to a laptop or PC so you can update your telescope firmware or control your scope from your PC using a planetarium software program. -
Celestron Auxiliary Port Splitter
$27.95The Celestron auxiliary port splitter lets you use the Celestron StarSense accessory with Celestron mounts having only one hand controller port.