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Important Shipping Info
  • Orders ship from Torrance, California.
  • Orders placed after 12:00 PM Pacific Time or over the weekend will be shipped within 1-2 business days.
  • Due to our annual physical inventory our Distribution Center will be closed on Friday 03/01/2024.
  • Any orders received after 12pm PST on Thursday 02/29/2024 will begin processing on Monday 03/04/2024 and ship within 1-2 business days.

Manuals & Software

Latest Firmware Updates

View All Updates Notify Me of Updates

Update your Celestron product firmware by downloading and running the Celestron Firmware Manager (CFM)

Product Version Release Date Updates
Advanced VX (AVX) 7.15.8270 November-2018
  • Retuned feedback loop. Improves tracking slightly and slewing at rates 2 - 6.
  • Reduced drop error at the end of a goto operation.
AMW007 WiFi module (3rd generation) 1.2.0.10 February-2018 Initial Release
Astro Fi 7.17.0031 April-2020 Bug Fix: Data corruption on SSA camera when used with internal Gen3 WiFi
CGX 7.17.0031 April-2020
  • Eliminate switch failure false alarms
  • Bug Fix: Data corruption on SSA camera
CGX-L 7.17.0031 April-2020
  • Eliminate switch failure false alarms
  • Bug Fix: Data corruption on SSA camera
NexStar Evolution 7.17.0098 April-2020
  • Bug Fix: Version number not reported correctly.
  • Bug Fix: Wifi config error introduced by 7.17.0031
7.17.0031 April-2020 Bug Fix: Data corruption on SSA camera when used with internal Gen3 WiFi
Motorized Focuser Accessory 7.16.9300 December-2019 Mitigation of potential damage caused by user attempting to use wrench to turn focus motor while powered on
NexStar+ Hand Control 5.34.2160 July-2022 (Released for GEM only) Bug Fix: GEM mounts were misidentified as Evolution after entering setup menu
SkyPortal WiFi Accessory (3rd generation) 3.1.9120 July-2019
  • Bug Fix: WiFi would lock up if user lost connection to WiFi attempted to reconnect
  • Bug Fix: Improved reliability of CFM updates over WiFi
StarSense Accessory Camera 1.2.13343 January-2014 Support for changes made in 1.09.13346 of the Hand Control firmware.
StarSense Accessory Hand Control 1.22.21333 December-2021 Support for Dew Heater controllers
StarSense Interface Box For SkyWatcher Telescopes 1.0.6032 March-2016 Initial Release

Latest Software Updates

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Product Version Release Date Updates Downloads
Celestron PWI 2.4.3 February-2023
  • Add setting allowing accessories to be ignored during device discovery.
  • Add setting allowing specified COM ports to be ignored during device discovery.
  • Add setting allowing support for multiple connections to be enabled or disabled.
  • Add setting allowing detailed logging to be enabled or disabled.
  • Add dynamic status message to top bar of main window.
  • Show a warning if the focuser is uncalibrated after connecting to it.
  • Add ability to show the celestial equator to SkyViewer.
  • Update UI for PEC Playback settings to improve clarity.
  • Consolidate Mount USB and Hand Controller connection methods.
  • Add support for communicating over daisy-chained PC port connections.
  • Allow mounts without ST-4 ports to set and save Guide rates in the mount configuration dialog.
  • Setting guide rates from the ASCOM driver are now seen in the CPWI mount config dialog and the mounts ST-4 setting.
  • Reading guide rates from the ASCOM driver reflects the value in CPWI's mount configuration dialog.
  • Add WifiState to CPWI.
  • cfg. On connection will set state of mount's onboard WiFi module. valid values : Ignore Enable Disable
  • Attempt to connect to last used COM port before trying others.
  • Reflect custom port names in Dew Heater data output.
  • Bug fix: Park did not always complete.
  • Bug fix: Google Maps location selection does not work.
  • Bug fix: Focuser complains incorrectly that it is uncalibrated .
  • Bug Fix: WiFi connections locking up or not connecting.
  • Bug fix: Some evolution mounts are not being detected during WiFi connection process .
  • Bug fix: Text in selectable labels overflows during mouse hover.
  • Bug fix: ASCOM driver reduced verbosity of the logs.
  • Bug fix: ASCOM driver will now deliver the mount to the previously specified park position before parking the mount.
  • Bug Fix: ASCOM driver AbortSlew will now clear the IsSlewing flag.
  • Bug Fix: The 'Begin' button was not always visible in the PEC Training dialog box.
  • Bug Fix: PEC training never completed even though progress bar reached 100%.
  • Bug fix: Dew Heater Save Data switch not working.
  • Bug fix: Typographical errors.
Download
USB ASCOM Driver for Focuser 1.5.0 December-2019
  • Corrected bug causing frequent drop outs.
  • Removed "backlash" features from main UI
Download
Celestron Firmware Manager 2.7.9144 August-2019
  • Bug fix: Wifi Bridge
  • Dialog boxes showing when connection is restarting
Download
Celestron Focuser Utility 1.0.0 December-2018 Initial release Download
PecTool 1.0.18 July-2018 Updated instller to support Windows 7/8 Download