This image was captured by ESO Photo Ambassador Petr Horálek during a visit to La Silla in January 2015. The sky as seen in this image was captured with a chain of extended exposures. Here are the five celestial phenomena captured in this one incredible image.
1) Comet Lovejoy
2) The star cluster known as the Pleiades, or the Seven Sisters
3) The California Nebula, the red arc of gas
4) A meteor
5) A haze of glowing green light collecting alongside the horizon, as an outcome of oxygen in the upper atmosphere.