According to Eurocontrol, more than 7000 planes fly over Germany every day. On April 24th
Martin Wagner of Sonnenbuehl-Genkingen, Germany, photographed one of them flying directly in front of the Moon: (click for larger image!)
Photo details: Canon EOS 300D, 10-inch Newtonian telescope Just yesterday he caught another plane
almost transiting the Moon. And he has photographed aircraft
shilouetting the Sun many times.
It's not just Germany. On any given day, hundreds of thousands of flights cross-cross skies worldwide, and some of those planes are bound to fly in front of the sun and Moon. Indeed, one of the most common types of photo received by spaceweather.com is the "air transit."
credits & more from:
http://www.spaceweather.com