April 2014 in Daylight at Karlsruhe/Germany over Schlossgarten Lake.
First slow moving, than ca. 15 minutes still standing at one Point
and slow self-rotation.
Objekt diameter ca. 12 – 25 meters
Altitude ca. 5000 – 7000 meters
Disappear by going smaller.
2 Eyewitnesses see this. (me and my Girlfriend)