Cloud to ground lightning

Exposure Date: 2010:06:23 12:37:52;
Make: PENTAX Corporation;
Model: PENTAX K10D;
ExposureTime: 6/1 s;
FNumber: f/19;
ISOSpeedRatings: 100;
ExposureProgram: Manual;
ExposureBiasValue: 0;
MeteringMode: CenterWeightedAverage;
Flash: Flash did not fire, compulsory flash mode;
FocalLength: 63 mm;
FocalLengthIn35mmFilm: 94 mm;
Software: Adobe Photoshop Elements 5.0 (20060914.r.77) Windows;