Facility
- ULYSSES1
- Ultraviolet Imaging Telescope1
- Universitätssternwarte Bochum near Cerro Armazones2
- VCD developped at LMD1
- VELA 5B1
- VERITAS1
- VIMOS1
- VISTA4
- VLA4
- VLT7
- VLT, European Southern Observatory, Chile2
- VSOP with HALCA2
- Vega-11
- Venus Express#VEx1
- Very Large Telescope1
- Very Long Baseline Array, operated by The National Radio Astronomy Observatory1
- WISE10
- WMAP9
- WSRT14
- WUPPE4