Back in early August, we previewed the Public Observatory Project at the National Air and Space Museum; this week the ribbon was cut and the telescope is officially in business. (Before I get too far, I should disclaim that I'm now a volunteer at POP -- having worked in observatories during college, this was too good an opportunity to pass up -- so I'm obviously a big fan of the project, and you may attempt to complete your DCist editor bingo card by trying to find me there during my weekly shift.) The observatory is focused on daytime observing and will be open Tuesday through Sunday, 10 a.m. to 2 p.m. The research-grade 16" Boller and Chivens telescope, on loan from Harvard University, is fitted with a solar filter, making it perfect for viewing the Sun and Venus. On especially nice days, a portable 11" Celestron scope is rolled out, to which are attached two smaller scopes fitted with H-alpha and CaK filters, allowing viewers to see different wavelengths of light coming from the Sun -- during my first training session we caught spectacular prominence through the CaK scope. Programs with D.C. Public Schools will begin in November. The museum also has a new program in the Einstein Planetarium, Journey to the Stars.

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