1350-39 - Astronomer Vance Petriew at the eyepiece of his 20-inch Dobsonian reflector telescope, at the 2012 Saskatchewan Summer Star Party in Cypress Hills, SK. This is a single 20 second exposure with the Canon 5DMkII at ISO 4000, and 24mm Canon L-series lens at f/2. A faint aurora adds the horizon colours. The photo was taken on the occasion of the second return of Comet Petriew 185/P since its discovery 11 years earlier in 2001 at this very same location.
857-90613 - Revelstoke, B.C. - October 21: An old, weathered yellow truck is parked on a residential street under an old, colorful maple tree on October 21, 2008 in Revelstoke, British Columbia, Canada. Revelstoke is a small mountain town, which in recent years has seen substantial growth as ski destination with the opening of new ski hill that has the largest vertical drop in North America along with an abundance of snow. (Photo By Dan Rafla/Aurora), Canada
857-90616 - UNALASKA, AK - JUNE 22: A group of western Stellar sea lions (Eumetopias jubatus) congregate on a rocky outcrop along the Aleutian chain on Unalaska Island, Alaska on June 22, 2008. The western Stellar sea lion. the largest of all sea lions, is considered endangered with the reason for its decline uknown. (Photo By Dan Rafla/Aurora), United States of America
832-370495 - Polar night, green Northern Lights, Aurora Borealis, above the Todalen Valley, starry sky of a moonless night, Longyearbyen, Spitsbergen, Norway, Europe
832-370497 - Strong green Northern Lights, Aurora Borealis, above a historic building lit by the lights of the town of Longyearbyen, Longyearbreen Glacier at back, Spitsbergen, Svalbard, Norway, Europe
832-370498 - Strong green Northern Lights, Aurora Borealis, above a historic building lit by the lights of the town of Longyearbyen, Longyearbreen Glacier at back, Spitsbergen, Svalbard, Norway, Europe
832-370489 - Green Northern Lights, Aurora Borealis, over the mountains of Longyearbyen lit by the crescent moon, Spitsbergen, Svalbard, Norway, Europe
832-370487 - Green Northern Lights, Aurora Borealis, over the mountains of Longyearbyen lit by the crescent moon, Spitsbergen, Svalbard, Norway, Europe
832-370492 - Green and red polar lights, northern lights, aurora borealis above a snow-covered landscape, landscape being illuminated by lights from civilisation, Spitsbergen, Svalbard, Norway, Europe
832-370496 - Green Northern Lights, Aurora Borealis, above two small huts in a starry sky, Adventdalen, Todalen, Longyearbyen, Spitsbergen, Svalbard, Norway, Europe
832-374162 - Young couple, woman and men, sitting in a wooden chair, watching northern polar lights, pointing, Aurora Borealis, green, near Whitehorse, Yukon Territory, Canada
832-370501 - Panoramic view, green Northern Lights, Aurora Borealis, with the moon above the Joekulsarlon glacial lagoon and the Breidamerkurjoekull, Breidamerkurjoekull and Vatnajoekull glaciers, Vatnajoekull National Park, Iceland, Europe
832-370493 - Green and red polar lights, northern lights, aurora borealis above a snow-covered landscape, landscape being illuminated by lights from civilisation, Spitsbergen, Svalbard, Norway, Europe