IMPORTANT! As you have probably noticed we have upgraded our gallery and transitioned from our old website.
Some accounts on old site were missing name information and they will appear on profile and photo pages as "N/A N/A".
If you are one of those users you can easily update your name information if you visit your profile page.
Iridium flares represent the unique position of the satellite relative to a ground-based observer where sunlight is redirected to earth yielding flares as bright as -8.4 mag lasting up to 40 seconds or so. These flares also represent the unique occurrence of observing a satellite during the day!