Solar System Live Help

Observing Site

Observing site: Lat.  Long. 

In order to calculate the positions of the planets in the sky as seen from your location for the ephemeris, Solar System Live needs to know your latitude and longitude. You can enter degrees, minutes, and seconds as either 657'11" or 6d57m11s. You can also enter latitude and longitude as degrees and a decimal fraction: 19.5 and 1930' are equivalent specifications. Be sure to check the boxes for North and South latitude and East and West longitude as appropriate. The example above is set to the latitude and longitude of Melbourne Australia.

If you use Solar System Live on a regular basis, you'll probably want to make a custom request so you don't have to enter your latitude and longitude every time.

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by John Walker