The Extremely Large Telescope Reaches First Light
ESTIMATED68% CONFIDENCEESO[1][2] states the ELT "is now set to make its first test observations at the beginning of 2029, with 'telescope first light' expected in March 2029". Only the month is given, so the pin takes its last day.
ESO's 39-metre Extremely Large Telescope takes its first test observations from Cerro Armazones in March 2029, with scientific first light following in December 2030.
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