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Sciatrope is a Cocoa (MacOS X) application that helps preparing for, and observe a solar eclipse. It is a "Universal binary" running natively on PowerPC and Intel Mac, under MacOSX 10.4 or 10.5.
  • It gives the eclipse circumstances, distance and direction to the central line.
  • It supports the connection to a NMEA compatible GPS receiver, to input location and time.
  • It starts actions at prescripted times during the eclipse. For signaling the proximity of eclipse contacts, controlling a camera, controlling a live broadcast or whatever you may imagine.

What's New

Version 0.2:
  • Better document handling, for saving and "Open recent" menu,
  • Fix of wrong timing after sleep mode (2028237),
  • Rounding of displayed contact times (2027861),
  • Correction of delta T processing (2027852).


MacOS X 10.4 or higher, PowerPC or Intel processor. An optional serial line for GPS connection.

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Current Version (0.x)


Downloads 1,136
Version Downloads 775
License Free
Date 16 Feb 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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