Call deadline for GTC (only HiPERCAM): 26/06/2023 21:59 UT.
Call deadline for INT, Stella and Mercator: 15/06/2023 21:59 UT.

The Spanish night Time Allocation Committee (CAT) of the Canarian Observatories announces this special call for proposals and the availability of observing time on GTC, INT, STELLA, and Mercator for the 2023B semester. The deadline for CAT proposals is Monday 26th June at 21:59 UT for GTC (only HiPERCAM) and Thursday 15th June at 21:59 UT for INT, Stella and Mercator.

More information here.