I was a young member of the Proton Lab walking down the hallway on the 11th floor of Wilson Hall when an administrative staff member handed me a telephone and asked me to please take this call. OK!
On Thursday, workers mated the Dark Energy Camera 570-megapixel imager, seen here hanging from a crane, to the corrector optics of the Blanco telescope at the Cerro Tololo InterAmerican Observatory in Chile. This image was taken by the DECam webcam.