Lightning thunderstorm with cloud to ground lightning striking out on the plains of North Boulder County, Colorado. Black and white sepia image. 4 images stacked equal to 80 sec exposure. ISO 200 -20 sec - f5.6 - 33mm. Panorama crop. Fine art nature landscape photography prints, decorative canvas prints, acrylic prints and stock images by By James Bo Insogna (C) 2012 - All Rights Reserved.