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 Once or twice
            a year, rockets are launched into space from launching range
            in White Sands. Here in Arizona, we can see them if they are
            launched before dawn in the morning twilight as bright vapor
            trails. The rocket went straight up, but the vapor trail is curving
            in wild convolutions from high altitude winds. The upper three
            loops are significant, while the wind can be seen going in shearing
            opposite directions, the leading edge is forked. This means the
            winds at those altitude is faster on the shear edges than in
            the center of the layer.

            
The first image is with
            the zoom set for 40mm, and lower 17mm and shows Venus to the
            left.

Instrument:  17-40mm f/4 L
Platform:  Hand held
Camera:  Canon 10D @ ISO800
Exposure:  1/30
Filters:  UV
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing  6/10, Transparency 8/10
Outside Temperature:  60F
Processing Tools:  Photoshop CS, Maxim DL, PixInsight, Canon Raw
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