| Observatory | Tel. size | Bands |
 |
| SAO RAS (RATAN) | 600 ma | 2.3, 4.8, 7.7, | 33 |
| 11.1, 21.7 GHz | |||
| Metsähovi | 14 m | 37 GHz | 142 |
| Noto | 32 m | 5, 8, 22 GHz | 56 |
| Medicina | 32 m | 5, 8 GHz | 23 |
| Effelsberg | 100 m | 4.9, 10.5 GHz | 68 |
| UMRAO | 26 m | 4.8, 8.0, 14.5 GHz | 112 |
| Pico Veleta | 30 m | 1, 2, 3 mm | 18 |
| Campo Imperatore | 110 cm | J, H, K | 154 |
| Bohyunsan | 180 cm | V, R, I | 126 |
| Mt. Maidanak | 150 cm | U, B, V, R, I | 733 |
| Abastumani | 70 cm | R | 328 |
| Crimean | 70 cm | B, V, R, I | 100 |
| Skinakas | 130 cm | B, V, R, I | 83 |
| Tuorla | 103 cm | R | 20 |
| Armenzano | 40 cm | B, V, R, I | 87 |
| Michael Adrian | 120 cm | R | 48 |
| Asiago | 182 cm | B, V, R, I | 38 |
| Torino | 105 cm | R, I | 20 |
| Roque (KVA) | 35 cm | R | 69 |
| Roque (NOT) | 256 cm | U, B, V, R, I | 24 |
| Roque (TNG) | 358 cm | U, B, V, R, I | 10 |
| CASLEO | 215 cm | B, V, R, I | 108 |
| La Silla (NTT) | 358 cm | R | 5 |
| Boltwood | 40 cm | R | 129 |
| Bell | 60 cm | R | 23 |
| Kitt Peak (RCT) | 130 cm | R | 24 |
| Kitt Peak (WIYN) | 90 cm | B, V, R, I | 12 |
| Total | 2593 |
a Ring telescope.