normal contrails picture B2
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Santa Fe, NM May 1999

Provided for Control Purposes

This contrail sequence of three photos was taken over a 30 second interval.

Notice the gradual formation of the contrail, and the evaporation of the trail within approximately a 30 second interval. The camera was held stationary on the contrail after the plane passed.normal contrails picture B1normal contrails picture B2normal contrails picture B31