Astronomy

astroterm – terminal-based star map

astroterm is a planetarium for your terminal.

Explore stars, planets, constellations, and more, all rendered right in the command line. No telescope is required.

This is free and open source software.

Key Features

  • Highly Customizable: Choose any date, time, and location to explore past, present, or future celestial events.
  • Accurate Rendering: View the moon, stars, and planets with as much precision as terminal graphics allow.
  • Performance optimized: Lightweight and fast ASCII rendering.
  • Moon Phases: Precise lunar phases in real-time.
  • Label stars brighter than a specified magnitude. Also only render stars brighter than a specified magnitude.
  • Constellation Figures: Detailed constellation shapes.
  • Draw an azimuthal grid. Azimuthal means relating to or measured in terms of an angle between a reference direction and a point on the horizon.
  • Enable terminal colors.
  • Display metadata.
  • Set the frames per second, and animation speed.
  • Use unicode characters.
  • Cross-platform support – runs under Linux, macOS, and Windows.

Website: github.com/da-luce/astroterm
Support:
Developer: Dalton Luce
License: MIT License

astroterm in action
Click image for full size

astroterm is written in C. Learn C with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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