Comet Lovejoy, Because Holy Wow

Seriously, are you kidding me with this photograph of the comet Lovejoy? It was taken by Gerald Rhemann on Dec. 23, 2014, in Namibia (a photo he took the night before was featured in my earlier post about how to see the comet). It's a four-panel mosaic made up of individual images taken with a 30-centimeter-wide field telescope, each with a total exposure of about 20 minutes. Lovejoy is currently sidling up past Orion and isn't too hard to spot with binoculars. Comets are essentially piles of ro...