[ Watch it in HD! ]
Geosynchronous orbit is one of the most populated orbits. Satellites in this orbit are eclipsed by the Earth's shadow near equinoxes, and this is what you can see in this video.
I have counted around 50 satellites entering the shadow and around 30 leaving it.
Thanks to Jon Mikel Kareaga [ itzalgune.blogspot.com.es ], Manu Arregi Biziola [ blogs.elcorreo.com/el-navegante/ ], and Cielo y Tiedra observatory. [ cieloytiedra.com ].
More info about this event here (in spanish): blogs.elcorreo.com/el-navegante/2013/10/04/satelites-geo-en-equinocios-elementos-brillantes-en-el-cielo/