| Ref. CAT | PI | Awarded number nights | Instrument | Large program | Title |
|---|
| 37-Mercator1/26A | Jesús Maíz Apellániz | 6.5 D | HERMES | - | The beauty of k2: Probing massive stars' interior using apsidal motion in binaries |
| 80-Mercator2/26A | Songmei Qin | 0.5 A (4.5hrs) | HERMES | - | High-Resolution Spectroscopic Study of Blue Straggler, Main-Sequence, and Giant Stars in 3 Galactic Open Clusters |
| 82-Mercator3/26A | David Aguado | 5 D | HERMES | - | Early r-process enrichment in the Milky Way with Aurora stars |
| 86-Mercator4/26A | Jaroslav Merc | 3 A | HERMES | - | Flickering in CH Cyg with spectroscopy in a high-state |
| 95-Mercator5/26A | Michael Abdul-Masih | 9 A | HERMES | - | Constraining mass transfer in massive stars with Algol binaries |
| 132-Mercator6/26A | Judit Donada Oliu | 5 A | HERMES | - | High-precision chemical characterisation of open star clusters in the Gaia era (III) |