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 Celestial Navigation Computer

2019-06-23 Fixed Bennett's formula for refraction correction.
Star Name Lat. (DEG) Lon. (DEG) Elev. (DEG)

Elevation error: ± DEG

Computed intersections:

World coordinates, lines of position and computed intersections:

The background image of the world is not very accurate and it is for illustration purpose only; the coordinates grid is accurate, though. This page is part of the article Celestial Navigation at Home; there you may find out what this calculator page does and how it can be used to determine your position on the Earth based on the observation of the celestial bodies. You may save this page locally on your computer for off-line usage. Comments to this page are disabled to keep it short; please add your comments to the page of the article instead.