Submissions are invited for Spanish Night Time CAT proposals in semester 2027A on GTC, TNG, WHT, INT, NOT, STELLA, LT, TCS, TTT, and Mercator, with deadline Friday, 2 October 2026, at 12 noon WEST (1pm CEST, 11.00am UT).
Please consult the call for proposals (link to the .pdf), which also includes News and Highlights for this period.
Proposals should be submitted via https://proposals.iac.es/