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Current version of Halley: 2012-03-06; v.0.06
Release Notes
2012-03-06; v.0.06:
  • Calculation of the ephemeris added.
  • Application Name changed to Halley - Electronic Ephemeris of Comets.
  • The calculations are organized into three main Tasks - Orbit Diagrams, Ephemerides and Close Approaches.
  • Some bugs fixed.
2011-12-12; v.0.05:
  • Numerical ephemerides JPL DE423 added (working ephemeris defined now in the program options).
  • Different input formats of the current epoch added.
  • Now the planet's radius can be taken into account when calculating the close approaches.
2011-09-09; v.0.04:
  • Added calculation of position and velocity in different coordinate systems.
2011-07-06; v.0.03:
  • Fixed upper limit of JPL DE406 ephemeris in the verification procedure of the integration interval.
  • Fixed a bug in the calculation of minimal distance to Earth at each appearance.
2011-04-18; v.0.02:
  • Multi-language support added.
  • Russian localization added.
2011-02-21; v.0.01:
  • The first release of electronic catalogue.
System Requirements
  • Microsoft Windows® XP/Vista/7.
  • 256 MB of memory or greater.
  • Approximately 300 MB of free disk space.
  • 800x600 screen resolution or higher.