contrail

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con·trail

 (kŏn′trāl′)
n.
A visible trail of streaks of condensed water vapor or ice crystals sometimes forming in the wake of an aircraft. Also called vapor trail.
[con(densation) + trail.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

contrail

(ˈkɒntreɪl)
n
(Aeronautics) another name for vapour trail
[C20: from con(densation) + trail]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

con•trail

(ˈkɒnˌtreɪl)

n.
a visible condensation of water droplets or ice crystals from the atmosphere, occurring in the wake of an aircraft, rocket, or missile.
[1940–45; con(densation) trail]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.contrail - an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
condensation trail
cloud - a visible mass of water or ice particles suspended at a considerable altitude
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

contrail

n (Aviat) → Kondensstreifen m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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Fortunately, I didn't throw away the "ruined" negative, and after many attempts with the Clone Stamp tool, the acetone disaster was reversed and the offending airplane trail was gone.
Resurrecting an old astrophoto: with the help of digital imaging technology, a 40-year-old picture is brought back to life
Every deep-sky photo-processing program uses a stacking algorithm to increase the signal-to-noise ratio--much as Johnson and his colleagues describe in their 1958 paper--while also removing additional unwanted signals, including satellite and airplane trails. With electronic autoguiding and automated imaging programs, professionals and amateurs alike can shoot as deep as their skies will allow by shooting dozens of hours of exposures over multiple nights.
The origin of stacking: modern astroimagers owe a debt to the pioneers at lowell observatory
Try to avoid shooting with a busy road in the frame, and airplane trails can become quite annoying, detracting from your final sequence.
Moving pictures: use your digital SLR camera to create high-definition time-lapse movies of the night sky

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