Yes, they're devices you attach to a camera and it triggers the camera when it detects the flash. Most Lightening shots you see are taken with the help of a detector. That said, some people, like yourself, manage to get great shots without one. So extra quodos for doing it the old fashioned way. Bob -----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Dale Wilson Sent: Saturday, June 11, 2011 8:12 AM To: Utah Astronomy Subject: Re: [Utah-astronomy] Thunderstorm Bob, Didn't know a lightning detector existed. Just followed the front and a little luck. Dale ________________________________ From: Robert Taylor <robtaylorslc@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Sat, June 11, 2011 8:00:01 AM Subject: Re: [Utah-astronomy] Thunderstorm Very nice shot Dale. Did you use a lightning detector or was it just good timing? Bob -----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Dale Wilson Sent: Friday, June 10, 2011 11:35 PM To: Utah-Astronomy@mailman.xmission.com Subject: [Utah-astronomy] Thunderstorm On my front porch at the right place and right time. Had to clean my shorts as well. Sony a350, f25 30 sec exposure Clear (stormy) skies Dale . http://www.slas.us/gallery2/main.php?g2_itemId=4369 _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php