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March 20, 2023



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Ready for first light: MERRY CHRISTMAS!


The Gran Telescopio CANARIAS (GTC) is ready for its Technical First Light. All the optical elements needed to begin the commissioning are in place: six segments of the primary mirror, the secondary mirror and the tertiary mirror.

It’s our Christmas gift!

Press Release (in Spanish only).

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Natalia R. Zelman

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