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Table 1
Raw statistics of the USNO Martian photographic plates that were digitized at ROB.
| Serie | Instrument | Year | Month | Emulsion | Exp. time (s) | Mars | Phobos | Deimos | |
|
|
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| 01 | 61i | 1967 | 4 | 103aG-103aJ | 10−40 | 88 | 67 | 81 | |
| 02 | 61i | 1969 | 5−6 | 103aJ-IIIaJ | 7−90 | 283 | 219 | 204 | |
| 03 | 26i | 1971 | 8−9 | 103aJ | 10−60 | 95 | 95 | 65 | |
| 04 | 26i | 1973 | 10 | 103aJ | 20−90 | 94 | 93 | 93 | |
| 05 | 26i | 1975 | 12 | 103aG-103aJ | 30−90 | 141 | 92 | 134 | |
| 06 | 26i | 1978 | 1−2 | 103aG | 30−60 | 42 | 33 | 21 | |
| 07 | 26i | 1980 | 2−3 | 103aG | 30−62 | 24 | 16 | 9 | |
| 08 | 61i | 1982 | 3 | 103aG-IIIaJ | 10−50 | 58 | 35 | 37 | |
| 09 | 26i | 1984 | 4−5 | 103aG | 40−60 | 24 | 18 | 20 | |
| 10 | 26i, 61i | 1986 | 7 | 103aG-IIaD | 3−60 | 66 | 51 | 61 | |
| 11 | 26i | 1988 | 9−10 | 103aG | 10−90 | 63 | 60 | 54 | |
| 12 | 26i | 1990 | 11−12 | 103aG | 30−50 | 78 | 48 | 57 | |
| 13 | 26i | 1995 | 2 | 103aG | 30−50 | 21 | 15 | 20 | |
| 14 | 26i | 1997 | 3 | 103aG | 40−45 | 9 | 5 | 9 | |
|
|
|||||||||
| Total | 1086 | 847 | 865 | ||||||
Notes. The Mars and satellite columns give the numbers of corresponding objects that could be measured on the plates.
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