GLOWING ATMOSPHERE Johnny Horne An intense, red-and-green display of airglow competes with the colorless glow of the zodiacal light last October from Cape Lookout National Seashore, North Carolina. DETAILS: Nikon D750 DSLR with 14-to24-mm zoom lens at 19 mm and f/2.8. Total exposure: 30 seconds at ISO 1600. sk yandtelescope.com * AUGUST 2 018 75http://www.skyandtelescope.com