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NexStar mount driver

Supported devices

Any NexStar protocol compatible mount (SkyWatcher; Celestron; Orion; ...) connected over serial port or network.

Single device is present on startup (no hot-plug support).

Supported platforms

This driver is platform independent.


INDIGO Astronomy open-source license.


indigo_server indigo_mount_nexstar

Status: Stable

Driver is developed and tested with:

  • SkyWatcher AZ-EQ6 GT
  • SkyWatcher EQ6 Pro
  • Celestron Advanced VX


Use URL in form tcp://host:port to connect to the mount over network (default port is 9999). To export the mount over the network one can use Nexbridge

This driver uses libnexstar library

A non-standard switch property "Guider rate" is provided by this driver.