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Lunar Eclipse Maestro Icon Universal Binary Logo

 Lunar Eclipse Maestro for MacOS X
 Version 1.3.2 (September 19, 2015)
 (next minor update planned for November 2021)


Lunar Eclipse Maestro controls up to four USB or Firewire connected cameras (Nikon, Canon and Panasonic DSLRs, Ricoh, plus Nikon Coolpix line) and up to four USB or Ethernet connected SBIG CCD cameras with their filter wheels during a lunar eclipse, so that you can be free to concentrate on observing the event visually. You must preprogram all exposure information according to a script. Observer position (latitude and longitude coordinates, altitude) is used to calculate local circumstances, so that camera actions can be referenced to specific eclipse events. All features are optional, so the software can be used for as little or as much as desired. It is currently localized in English and French. More…

Lunar Eclipse Maestro is a freeware. Commercial distribution is strictly forbidden. Please contact me first before any commercial use. For the time being this software will remain free, but you should make a donation to support my work and show your appreciation. However, for any professional use (i.e. professionals, corporate users, institutions, etc), you are kindly asked to contact me and make a donation of at least USD 70 or 50€.


Copyright 2010-2021 Xavier Jubier, http://xjubier.free.fr/

Application Requirements, Installation and Upgrade

  1. There are now three versions of the software:
    - the Intel Y one only runs under MacOS X 10.10.x (Yosemite) to macOS 10.14.x (Mojave) and allows the support of all the newest cameras.
    - the Intel one only runs under MacOS X 10.6.x (Snow Leopard) to macOS 10.14.x (Mojave).
    - the Universal Binary one, meaning it runs on both Mac Intel and PPC, that runs under MacOS X 10.4.x (a.k.a. Tiger) to macOS 10.14.x (Mojave). However do note that this UB version can’t tether control DSLRs or MILCs on El Capitan or newer which means that in this case you need to use the Intel version.
    Major regressions in High Sierra (10.13.0 to 10.13.6) have rendered tethered control mostly unusable with this OS version. All those regressions have been fixed by Apple in Mojave, so those still using High Sierra are encouraged to move to Mojave and those running older OSes should either stay put or else skip High Sierra altogether.
    Danger Sign Lunar Eclipse Maestro will not be compatible with macOS Catalina, the successor of Mojave, or Big Sur and newer (a complete rewrite would be necessary). Beware not to do this upgrade if you still want to run Lunar Eclipse Maestro. However, using Parallels Desktop, VMWare or VirtualBox, you can still virtualize Mojave or an older release as a workaround or use the software under Windows and Linux using the same technique.

    Download the dmg disk image file :
    Lunar Eclipse Maestro 1.3.3β1 (beta version)
    • Yosemite and onward
    • USB and/or Firewire port for DSLRs or MILCs (optional)
    • One USB port for Garmin GPS unit, or Bluetooth for serial GPS unit (optional)
    • All Nikon cameras (D70 up to D7500, D500, D850 and D5)
    • Canon 1D Mark III up to 6D Mark II and 200D/SL2/Kiss X9
    • Panasonic GX8, GH4 and GH5
    • Ricoh Theta S and SC
    • All SBIG CCD cameras and filter wheels
    Note: under El Capitan or newer, an Intel only version is mandatory when using camera tethered control

    (61.4 MB)
    MD5: 6b30f480f006273d9a6889afe0e39ada
    SHA1: 0431fb60fdc1069a7ec4b758c59a66b8fb81e011
    (alternate download link)
    Lunar Eclipse Maestro 1.3.2
    • Snow Leopard and onward
    • USB and/or Firewire port for DSLRs or MILCs (optional)
    • One USB port for Garmin GPS unit (optional)
    • All Nikon cameras (D70 up to D4s)
    • Canon 1D Mark III up to 5DsR
    • All SBIG CCD cameras and filter wheels
    Note: under El Capitan or newer, the Intel version is recommended when using camera tethered control

    (61.0 MB)
    • Tiger and onward
    • USB and/or Firewire port for DSLRs or MILCs (optional)
    • One USB port for Garmin GPS unit (optional)
    • All Nikon cameras (D70 up to D4s)
    • Canon 1D Mark II up to 60D
    • All SBIG CCD cameras and filter wheels
    Note: under El Capitan or newer, the UB version can not control anymore the Nikon DSLRs (APIs removed by Apple)

    (64.7 MB)
    If you’re experiencing difficulties while installing Lunar Eclipse Maestro and are running MacOS X 10.8.x (Mountain Lion), 10.9.x (Mavericks), 10.10.x (Yosemite), 10.11.x (El Capitan), 10.12.x (Sierra), 10.13.x (High Sierra) or 10.14.x (Mojave), then please take the time to understand Gatekeeper. If running 10.12.x (Sierra) or newer you will even have to allow the user to install applications from so called "unidentified developers"; please read this webpage or that one to know how to do do it.
    A screen with a minimum 1024x768 resolution is recommended, although it will work with smaller screens.
  2. Once your download is complete, double-click the .dmg file to mount it, then start the installer and follow the installation instructions. The application will be installed in your Applications folder and a folder named Scripts Lunar Eclipse Maestro containing sample scripts will be copied to your regular Documents folder at the root of your user account. An administrator password will be required to proceed with the installation process.
    When upgrading all of your preference settings and script folder will be preserved.
  3. Read the included help thoroughly before attempting use: go directly to the Help menu the first time you launch Lunar Eclipse Maestro.
  4. Disclaimer: use this program at your own risk. No guarantees are made, if it doesn’t work and you come away without any photos, sorry! Extensive rehearsal and testing is recommended to ensure success.
  5. Last you are kindly requested to make a donation and show your appreciation.

Technical support

Available through a bulletin board system (BBS)


  • Next release planned for November 2021
  • 2019 January 15 : version 1.3.3β1 (Beta for Intel only)
  • 2015 September 19 : version 1.3.2
  • 2014 October 3 : version 1.3.1
  • 2014 March 28 : version 1.3.0
  • 2012 May 15 : version 1.2.1
  • 2012 May 8 : version 1.2.0
  • 2011 December 8 : version 1.1.3
  • 2011 November 13 : version 1.1.2
  • 2011 June 5 : version 1.1.1
  • 2011 April 25 : version 1.1.0
  • 2011 January 2 : version 1.0.2
  • 2010 December 29 : version 1.0.1
  • 2010 December 17 : first final release, version 1.0.0
  • December 2010 : start of beta testing.
  • 2008 February 20 : First internal alpha release for TLE 2008.
Lunar Eclipse Maestro Main Screen Screenshot

Lunar Eclipse Maestro Sample Screenshots

Lunar Eclipse Maestro Sample Screenshot Local Weather Predictions


Solar Eclipse Maestro for solar eclipses and Mercury Venus Transit Maestro for Mercury and Venus transits are also available with similar features.

Last page update on September 19, 2015.
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