The Astrolabe Generator

After much hard procrastination, I am happy to announce the release of version 3.x of the Astrolabe Generator.

Get it HERE

This version is a downloadable program that will run on Windows, Mac, and Linux.

This program requires Java to be installed on your computer. If it is not already installed you can get it here.

With java installed, installing the generator is just a matter of removing it from the zip file. Double-clicking on the file will run it.

This version has expanded features:

  • Save to folder or zip file
  • Print to EPS printer if available
  • Support for 90N to 90S
  • Expanded range of quadrants.

Version history:


  • Fixed bug in Arcs of the Signs. Both options now work.
  • Expanded options for the sine/cosine grid scale on the astrolabe back:
    • Grid divided by 60 or 100
    • Optional cosine lines
    • Arcs and radials
      Lines for each degree option
  • Under the hood:
    • Version number displays in interface now pulled dynamically from pom.xml
    • Default folder for saving is now the folder the app was run from
    • Consolidated file handling in the FileHandler class
    • Updated to Java 1.8


  • Fixed bug in the formatting of shadow square numbers
  • Added in an option to display all three twilight lines
  • Added the option of using a concentric calendar ring instead of the more common offset
  • Added the option to choose between a base 60 and the less used base 10 grid for the sine scale on the back


  • Added Universal Astrolabe with optional rete
  • Added an optional Equation of Time scale to the back
  • Under the hood:
    • Added routine for right-justifying text
    • Fixed bug in Time Correction display


  • Ported project back to Java
  • Moved source code to GITHUB

This version is currently under regular development, so suggestions are welcome.

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