50mm lens . 3-The third image shows the trace of the bolide about 1,5 minutes after the flash. 4-The fourth image shows the trace of the bolide about 2 minutes after flash. Note that the first image shows the bolide as well as its trail. It may not be reproduced in any form without written permission of the copyright owner.
Permission is granted for non-commercial and educational purposes only.
Any reference must indicate the source and include a link tag to this site.