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| Observatory | Telescope | Telescope | Number | Band | Range |
| Aperture (cm) | Type | of plates | pass | of years | |
| Harvard | 61 | Rfr. | 5 | pg | 1894-1895 |
| Harvard | 41 | Rfr. | 60 | pg | 1921-1942 |
| Palomar | 122 | Sch. | 9 | pgBVRI | 1953-1993 |
| Asiago | 67 | Sch. | 40 | BVRI | 1971-1978 |
| Kiso | 105 | Sch. | 78 | BVRI | 1976-1987 |
| Total | 192 | 1894-1993 |
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