Facility
- Byurakan Astrophysical Observatory BAO8
- CADC5
- CALET2
- CAS, NAO2
- CGRO29
- CHANDRA188
- CLUSTER2
- COBE4
- COPERNICUS1
- COROT1
- COS B2
- CTIO, Chile1
- Calar Alto 3.5m telescope1
- Calar Alto Observatory2
- Canada-France-Hawaii Telescope1
- Cassini1
- Cerro Paranal ESO VLT UT3 Melipal 8.2m Telescope1
- Cerro Tololo Inter-American Observatory (CTIO)1
- Chandra23
- Chandra X-ray Observatory1
