The Milky Way arching over Emerald Lake and Emerald Lake Lodge in Yoho National Park, BC. This was on June 6, 2016 and despite it being about 1:30 am, the sky, especially to the north at left, is still lit by blue twilight from the short solstice night. Unfortunately, the lights from the Lodge, in particular one bright unshielded sodium vapour light, illuminates the foreground and even across the lake. The lights are themselves not overly bright but the long exposures in such images really bri