by John E. McGill
Sep. 16, 2009 6:18 a.m., Central time, Chicago, IL, Canon digital camera, ISO 200, exposure 1/30s.
Our community is FREE to join. To participate you must either login or register for an account.
Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.
Astronomy Magazine