This is a growing section of downloadable items. Please check regularly for new and updated applications.
IMPORTANT: Before running any of the applications, please read the license included in the source code files. All downloadable material on this page is free and for personal use.
Python 3
- PEyepieceMagApp: Calculates the magnification for a given telescope and eyepiece focal length. It gets the focal lengths from the user and calculates the magnifications for the eyepiece as well if a 2x, 2.5x, 3x, 3.5x and 4x barlow lens is used.
- NOTE: You must have the Python 3 interpreter installed on your computer to run the program.
Java
- JJulianDateCalcApp: Calculates the Julian Date for given day and hour in Universal Time (UT). The results can be saved to a text file.
- JPlanetaryDatesApp: Predicts the opposition dates of Mars, Jupiter, Saturn, Uranus and Neptune using the mean synodic periods. Also predicts the inferior conjunction, greatest brilliancy and elongation dates of Venus.
- JEyepieceMagCalcApp: Java version of the Python 3 PEyepieceMagApp above, written using AWT components.
- JCalendarApp_1: Java calendar application that sets its look and feel according to the operating system. A convenience EXE file is included for easy execution.
- NOTE: The compiled programs are in the 'dist' sub-directories and can be run from there. Instructions are in the README.TXT files. You must have the Java Runtime Environment (JRE) version 1.8 (8) or higher installed on your computer to run the programs.
Spreadsheet
- Near-Lunar Conjunctions.zip: Predictions of planetary alignments with the Moon. The dates should be accurate to within +/- 1-2 days.