Stock Photo - This is a rare appearance of the unusual STEVE auroral arc on the night of July 16-17, 2018, with a relatively low Kp Index of only 2 to 3. While the auroral arc was visible the ISS made a bright pass heading east. . . This is a blend of a single 15-second exposure for the sky and ground, with seven 15-second exposures for the ISS, but masked to reveal just the ISS trail and its reflection in the water. The ISS shots were taken at 3-second intervals, thus the gaps. . . All with the Sigma 20mm Art lens at f/2 and Nikon D750 at ISO 6400. Taken from Bow Lake, Banff National Park, Alberta.

Stock Photo: This is a rare appearance of the unusual STEVE auroral arc on the night of July 16-17, 2018, with a relatively low Kp Index of only 2 to 3.

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