William Herschel Telescope
... that at first light in 1987, the William Herschel Telescope was the third largest single optical telescope in the world, and is still the second largest in Europe?
... that at <a href="./First_light_(astronomy)" id="mwCJk" rel="mw:WikiLink" title="First light (astronomy)">first light</a> in 1987, the <b id="mwCJo"><a href="./William_Herschel_Telescope" id="mwCJs" rel="mw:WikiLink" title="William Herschel Telescope">William Herschel Telescope</a></b> <i id="mwCJw">(pictured)</i> was the third <a href="./List_of_largest_optical_reflecting_telescopes" id="mwCJ0" rel="mw:WikiLink" title="List of largest optical reflecting telescopes">largest single optical telescope in the world</a>, and is still the second largest in Europe?