A perigee full moon, or supermoon, is seen behind the Washington Monument during a total lunar eclipse on Sunday, September 27, 2015, in Washington, DC. The combination of a supermoon and total lunar eclipse last occurred in 1982 and will not happen again until 2033. Happy #spaceSaturday folks! Credit: NASA/Aubrey Gemignani #nasa #supermoon #washingtondc #washingtonmonument #nasahq #nasaheadquarters #fullmoon #solarsystem