Sunshine Coast Centre RASC

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Occultations and Eclipses

Jupiter and its 4 largest moons

Jupiter and its 4 largest moons

Did you know that a Solar Eclipse is not technically an eclipse but is an Occultation? An eclipse takes place when one body passed into the shadow of another as seen by an observer and an Occultation is when one passes in front of another…Lunar eclipse is correct because the moon passes through the earths shadow. So whats happening now is that Jupiter’s orbital plane is pointing directly at us so from our vantage point here on Earth we can observe Jupiter’s moons eclipse and occult each other. When one moon passes in front of the other we have an Occultation and when one moon passes into the shadow of another its an eclipse… The next visible event is this Sunday the 15th at 11:23 and again at 11:43 pm.

You can find a complete table of moon events here at:
http://www.imcce.fr/cgi-bin/saimirror/nss-eph3.cgi

click here for general info on eclipses and occultations:
http://www.imcce.fr/en/grandpublic/systeme/promenade/pages4/469.html

clear skies!

Neil Sandy
member Sunshine Coast Centre RASC

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