| Ref. CAT | PI | Number nights | Instrument | Large programn | Program |
|---|
| 23-Mercator1-A/23B | David Aguado | 2 G | HERMES | - | Early r-process enrichment in the Milky Way with Aurora stars |
| 23-Mercator2-B/23B | David Aguado | 2 G | HERMES | - | Early r-process enrichment in the Milky Way with Aurora stars |
| 78-Mercator3/23B | Lola Balaguer Núñez | 12 A | HERMES | - | OCCASO survey: checking azimuthal distribution of Open Clusters (and III) |
| 119-Mercator4/23B | Gonzalo Holgado Alijo | 9 A | HERMES | - | Spectroscopic follow-up of short-period massive O-type binaries with Gaia epoch photometry |
| 122-Mercator6/23B | David Montes Gutierrez | 4 A | HERMES | - | Revisiting membership of late-type stars to stellar kinematic groups with Gaia-DR3 and HERMES spectroscopy |