Eta-Aquariid Meteor Shower
The Eta Aquariids are a strong shower when viewed from the southern tropics. From the equator northward, they usually only produce medium rates of 10-30 per hour just before dawn. […]
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Astronomical Events
Astronomy Day
Astronomy Day is an international event observed each fall and spring near the first quarter Moon. Local astronomical societies, planetariums, museums, and observatories sponsor public viewing sessions, presentations, workshops, and […]
First Quarter Moon
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
Total Lunar Eclipse
A Total Lunar Eclipse occurs on this night
Inf. Conjunction of Mercury
Mercury passes very close to the Sun in the sky as its orbit carries it between the Sun and Earth. This happens once in 116 days (the synodic cycle of […]
Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
Conjunction of the Moon and Venus
The Waning Crescent Moon appears 8° from Venus in the eastern predawn sky.
Conjunction of Mars and Jupiter
Mars and Jupiter appear less than 1° apart in the eastern predawn sky
Mercury at Aphelion
Mercury's 88-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.47 AU.
Mars at Perihelion
On this day, Mars it closest to the Sun in its orbit.