There are commercial astronomical programs available, such as The_Sky and Red Shift, that are absolutely phenomenal and worth the cost, but enough about money. The scientific community is renowned for sharing information and resources among its members, and software is no exception. We have collected programs from the internet that we feel rival the commercial software, but cost nothing!
Attention Mac users: We are extremely sorry, but neither of us use
a Macintosh and we cannot in good faith provide software that has not personally
Click here for an interactive
form that converts
between Julian Day and the Calendar Date.
Below are a couple of source codes for programs that can be used with a Texas Instruments TI-82 Graphing Calcualtor (and probably a TI-85). If you are even halfway familiar with the calculator the programs are self-explainatory. If you do have questions or find bugs, e-mail : astro@ncats.
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