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ISAN, International Sidewalk Astronomy Night is one night each year dedicated to
street corner observing to honor John Dobson. Started in 2007, Sidewalk Astronomers around the world celebrate this global
star party by sharing views of the night sky.
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International
SUNday is a once per year global solar astronomy outreach event put on by the Charlie Bates Solar Astronomy Project.
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The Globe at Night program is an international
citizen-science campaign to raise public awareness of the impact of light pollution by inviting citizen-scientists to measure
their night sky brightness and submit their observations to a website.