Ah the notorious flare from the first version 35/1.4 Summilux pre-ASPH. This is for the camera geeks; did you know an original hood for this lens goes for about $900.
And for those curious, this is the lens(thanks to rid for the photo of my camera):
http://hawaiicamerastyle.com/leica-m3-with-leitz-canada-summilux-11435-lens