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September 2010
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Upcoming Events
09-04    Sun at Morgan's Wonderland
09-08    SAAA Astronomy in the Park
09-10    Pvt Party Bound Outdoors
09-10    SAAA Monthly Meeting
09-15    SAAA Astronomy in the Park
Updated: 9/4/2010 7:57:53 AM

von Kármán Lecture Series
Mars Science Laboratory: The Search for Habitable Environments
Presented by Dr. John Grotzinger
Project Scientist Mars Science Laboratory, CalTech
Tune in at 9 p.m. CST on Thursday, September 16, 2010
and again on
Friday, September 17, 2010
(requires RealPlayer).

Lecture archives

Current Lunar Phase
Current Moon Phase
Courtesy: U.S. Naval Observatory

Current Sun
Current Sun Image
Courtesy: National Solar Observatory

Weather
San Antonio Clear Sky Chart Sun/Moon Rise/Set Times
Click for San Antonio International, Texas Forecast

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Member of the International Dark-Sky Association

Night Sky Network
Member of NASA's
Night Sky Network


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Occultation Special Interest Group (OIG)


The Occultation SIG is a special section of the SAAA devoted to observers who enjoy observing the occultations by the Moon, asteroids, and other bodies in the solar system, as well as transits by the moons of Jupiter and planets across the Sun. The moderator is Rick Frankenberger

Background

Definitions

Occultation: the obscuration of one celestial body by another of greater apparent diameter, especially the passage of the Moon in front of a star or planet. - from the Astronomical Almanac.

Events
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