This map displays the night sky at any given time from any place on Earth. It shows the position of the Sun, the Moon, the planets Mercury, Venus, Mars, Jupiter, Saturn, as well as the 1377 brightest stars.

All the algorithms used are based on the book « Calculs astronomiques à l’usage des amateurs », Jean Meeus, Société astronomique de France, Paris, 1986, a translation of « Astronomical formulae for calculators », Jean Meeus, Willmann-Bell.

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In case of any problem or question, please have a look at the online help or contact me: contact.

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