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We were sent a spreadsheet that's both an electronic ephemeris (the "Daily Pages" from the Nautical Almanac) and a sight reduction tool. 

It covers all navigational bodies and is very easy to use.  It even has the nice ° symbol.

There are 2 spreadsheet based versions;

- Excel in xlsx format

- Ods format- typically used with LibreOffice Calc

If you can't use either of those formats the excel file can be converted using this website- File conversion service


Complete Celestial Sight Reduction Excel Spreadsheet

Complete Celestial Sight Reduction Spreadsheet in ODS format



Clear skies,

CelNav57