◀ DOUBLE IRIDIUM FL ARE Giuseppe Petricca The brief, bright glints of sunlight reflecting off Iridium satellites are striking, but capturing two of them in quick succession adds even more drama. The open cluster Melotte 111 is at lower left. Details: Canon EOS 700D DSLR camera and 24-mm lens used at ISO 800. Composite image with total exposure of 6 minutes. ▾ AURORA Stan Honda Skywatchers in Longyearbyen, Svalbard, got a double treat on March 20, 2015: a total solar eclipse by day and, 12 hours later, this spectacular "corona" aurora. Details: Nikon D810 DSLR camera and a 14-to-24-mm zoom lens used at 14 mm and ISO 3200. Exposure: 8 seconds. Sk yandTelescope.com August 2015 75http://www.SkyandTelescope.com