Sep
22
Wed
The date (in the northern hemisphere) when night and day are nearly of the same length and Sun crosses the celestial equator (i.e., declination 0) moving southward (in the northern hemisphere).
http://scienceworld.wolfram.com/astronomy/AutumnalEquinox.html
Dec
10
Fri
see http://cantonbecker.com/retrograde for details…
Dec
14
Tue
Up to 120 meteors per hour. Begins December 7 ends December 17 with today as the peak.
http://www.wolframalpha.com/input/?i=geminid+meteor+shower+2010
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