Facility
- Sierra Nevada Observatory1
- Subaru1
- Subaru telescope1
- Suzaku1
- THEMIS1
- The Large Sky Area Multi-Object Fiber Spectroscopic Telescope1
- Trace Gas Orbiter#TGO1
- UHURU1
- UK Schmidt Telescope (AAO-UKST)1
- UKIDSS1
- ULYSSES1
- Ultraviolet Imaging Telescope1
- VCD developped at LMD1
- VELA 5B1
- VIMOS1
- Various1
- Vega-11
- Venus Express#VEx1
- XRISM1
- custom1
