Mercury Venus Transit Maestro for Mac

By Eclipse-City Free

Developer's Description

Mercury Venus Transit Maestro is the most versatile and feature-rich application for Mercury and Venus transits. It can handle any solar transit over six millennium, and a lot more. To help you enjoy the event, it can control up to four USB or Firewire connected cameras (Nikon and Canon DSLRs, plus Nikon Coolpix line) and up to four USB or Ethernet connected SBIG CCD cameras with their filter wheels during a Mercury or Venus solar transit, so that you can be free to concentrate on observing the event visually. You must then 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 transit events. All features are optional, so the software can be used for as little or as much as desired.

Full Specifications

What's new in version 1.0.1

  • Improved Lion compatibility
  • Adjusted the deltaT value for ToV 2012 June 6
  • Fix for a bug in the Configuration Wizard
  • Switched to the high accuracy atmospheric refraction model used in Solar Eclipse Maestro
  • Implementation of the atmospheric rendering used in Solar Eclipse Maestro
  • Multiple bug fixes
  • Minor user interface tweaks
  • Miscellaneous bug fixes and enhancements


Date Added May 9, 2012
Version 1.0.1

Operating Systems

Additional Requirements None


Total Downloads 80
Downloads Last Week 0
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