Software Update History

This page provides an overview of the changes to our software.

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Product	Version	Release Date	Updates	Downloads
Celestron Firmware Manager (CFM)	2.7.9144	August-2019	Bug fix: Wifi Bridge	Download
			Dialog boxes showing when connection is restarting
	2.7.9100	June-2019	Support for Focus motor
			Bug Fix: Wifi Bridge
			Bug Fix: CGX(L) USB port programming.
			BugFix: Not all firmware files downloaded on slow internet connections
			Bug Fix: AstroFi/Evolution programming through WiFi
			Internal refactoring
	2.3.7111	June-2018	Full Support of CGX and CGX-L (including remote sensor boards.
			Bug Fix: clicking the "download button on UI crashed application.
	2.7.7070	May-2018	Support for SkyWatcher StarSense Interface box
			CGX and CGX-L moutn support
			Bug Fix: package delays in serial packets exceeding 200ms cause problems.
			Astro Fi support.
Celestron Focuser Utility	1.0.0	December-2018	Initial release	Download
Celestron PWI (CPWI)	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
	2.4.2		Bug Fix: sidereal tracking too fast
			Bug Fix: sidereal tracking too fast
			Bug fix: gamepad and ASCOM N-E slew not working
			Bug Fix: should not request write access to C:\
	2.4.1	January-2022	Bug Fix: CPWI not always connecting to mount
	2.4.0	January-2022	Updated user interface design.
			Added support for Dew Heater and Power control box accessory.
	2.3.5	August-2020	Hotkeys feature overhauled
			Added deadzone setting to Gamepad configuration
			Reconfigured speed ranges on Gamepad configuration
			Feature added to goto a specfic RA/Dec location
			Updated the manual
			Corrected behavior of ASCOM_Telescope.SideOfPier()
			Added fix for ASCOM guiding on mounts with old firmware (less than 6.18)
			Added ASCOM.Action(Telescope:AddAlignmentReference,ra:dec)
			Revised PEC dialogs to make them more clear
			Slew rates for the mount and focuser persist when the dialog is hidden/closed
			Bug fixes
	2.3.4	April-2020	Removes false disconnection issues
			UI changes including support for red filter.
			Enhanced focuser support (ASCOM + gamepad + control dialog)
			Added Hot Key dialog with new hot keys
			GPS Accessory
			Added UI support for Sync
			PEC enchancements
			Added 3 Messier Objects to the off line catalog (M25, M40, M45)
			Trial support for CGE, Advanced GT, and most GT mounts)
			Numerous bug fixes
			Known issue: ASCOM pulse guiding not working with MC firmware 6.12 - 6.17.
			Known issue: ASCOM pulse guiding not working with MC firmware 5.00 - 5.17
			Known issue: ASCOM SideOfPier() returns ASCOM SideOfPier(current position)
	2.2.4	January-2020	Bug fix: StarSense is less likely to make a false plate solve
			Database Corrections: Triangulum galaxy, Rosette Nebula
	2.2.3	September-2019	Feature: New StarSense user-auto-align generator tool
			Feature: Ability to set solar and lunar tracking rates, as well as enable Ra+Dec tracking for GEM mounts
			Feature: Joystick/Gamepad support for mount movement control
			Feature: Meridian sweep support added
			Feature: Slew limits for alt-az mounts
			Feature: Battery monitoring for mounts with batteries
			Bug Fix: Issues with StarSense communication resolved
			Bug Fix: CPU power consumption decreased substantially
			Bug Fix: ASCOM related bug fixes
	2.1.25	April-2019	Feature: Complete UI revamp
			Feature: StarSense support added
			Feature: AllStar Polar Alignment added
			Feature: Mount configuration options added
			Feature: WiFi support added
			Feature: Support for all current computerized telescopes added
			Feature: Support for HC connection
	1.0.3	June-2018	Small UI updates
	1.0.0	January-2018	Initial release (CGX and CGXL support only)
USB ASCOM Driver for Focuser	1.5.0	December-2019	Corrected bug causing frequent drop outs.	Download
			Removed "backlash" features from main UI
	1.3.0	March-2019	Bug Fix
	1.2.0	January-2019	Initial release
PecTool	1.0.18	July-2015	updated instller to support Windows 7/8	Download