From Wikimedia Commons → “In mid-August 2010 ESO Photo Ambassador Yuri Beletsky snapped this amazing photo at ESO’s Paranal Observatory. A group of astronomers were observing the centre of the Milky Way using the laser guide star facility at Yepun, one of the four Unit Telescopes of the Very Large Telescope […] Taken with a wide angle lens, this photo covers about 180° of the sky.”
[Via reddit]