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Milky Way Over Milk River

By: Alan Dyer

 

Region: Americas

Site: Alberta - Canada

Spot: Writing-on-Stone Provincial Park

Date: 2015 July 23

From the photographer: "The summer Milky Way over the Milk River Valley and sandstone formations of Writing-on-Stone Provincial park, in southern Alberta. On the horizon are the volcanic Sweetgrass Hills in Montana. The red tint at top (approaching the northern horizon in this fisheye wide angle view) is from aurora activity that night and the ground is partly illuminated by green auroral light from the north. The Summer Triangle stars are at top left. Sagittarius is on the horizon sinking into the low clouds at bottom right which are illuminated by lights from Sweetgrass, Montana. Clouds and smoke from forest fires to the west cut down the transparency and clarity of the sky this night, especially toward the horizon.
This photo composite is a stack of 4 x 3-minute tracked exposures for the sky, and 4 x 5-minute untracked exposures for the ground, all with the 15mm Canon full-frame fish-eye and Canon 6D at ISO 1000, on the Sky-Tracker mount." Alan Dyer, Amazingsky.com

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