Elenin's trail across the sky caught in photos
A planetary alignment during September 29, 2011, with Comet Elenin, Earth, the Sun, and Mercury. Comet C/2010 X1 (Elenin) is a long-period comet discovered by Russian amateur astronomer Leonid Elenin on December 10, 2010, remotely, using the International. Comet Elenin will be well placed in evening twilight for observation with binoculars and small telescopes all [...]