English: KH-12 Keyhole photo-reconnaissance satellites can on occasion be very easily seen by the naked eye. This photograph shows a bright pass of the KH-12 USA 129 (96-072A), photographed on 3 September 2010 from Leiden, the Netherlands, by amateur satellite tracker Marco Langbroek. The satellite has drawn a bright streak amidst the stars of Pegasus in this 10 second exposure (movement was from right to left).
Polski: Zdjęcie o długiej ekspozycji (10 sekund) przelatującego satelity rozpoznawczego KH-12 3 (USA-129). Zdjęcie wykonano 3 września 2010 z Leiden, Holandia. Satelita poruszał się od prawej do lewej.
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{{Information |Description={{en|1=KH-12 Keyhole photo-reconnaissance satellites can on occasion be very easily seen by the naked eye. This photograph shows a bright pass of the KH-12 USA 129 (96-072A), photographed on 3 September 2010 from Leiden, the Net