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All years analysis

This Table contains results of our analysis of an "interior" accuracy of CCD positional Numbered Minor Planets observations carried out in indication month of current year. The observatories taken into consideration are given with their MPC codes and instrumental equipment. A number of considered Numbered Minor Planets and their processed positions is given together with a mean error of a single observation for RA and DEC. Only one night observations were used for getting these errors.

A visitor may click required MPC code number (blue color) and see the first 100 Kb information as to detailed test of CCD positions made with this MPC code and sent to the MPC Database. These information tables show the (O-C) values for each observation.

If you find any inaccurate recording, please, send us a letter for correction.

Internal errors March, 2008
---------------------------------------------------------------------------------
MPC    Country,       Diam.,         Scale, Number   Number    Mean errors of    
code   Observa-       Focus   FOV    Cata-  of minor   of      single observation
         tory          (m)           log    planets  positions    RA    DE       
---------------------------------------------------------------------------------
                                                                  "     "        
012   Belgium,        0.85  45 x 30'  0.9"      2          13    0.280 0.311     
      Uccle           2.1             GSC                                        
069                                             4          16    0.395 0.622     

084   Pulkovo Obs.,   0.33  15 x 15'  1.0"     10         130    0.159 0.171     
      Normal Asgr.    3.0            UCAC                                        
104   Italy, San      0.40  21 x 21'  2.5"    102         405    0.466 0.437     
      Marccello       2.0             GSC                                        
106   Slovenia,       0.36  36 x 36'  2.0"    235         947    0.444 0.475     
      Crni vrh        2.4            USNO                                        
113   Germany,        0.50  13 x 10'    2"      3          12    0.141 0.079     
      Schonbrunn      2.3            USNO                                        
118   Slovakia,       0.57  14 x 10'  1.7"     12          45    0.296 0.184     
      Modra           3.3            USNO                                        
130   Italy,          0.4   15 x 10'  1.0"     41         155    0.488 0.380     
      Lumezzane       1.8            USNO                                        
151   Switzerland,    0.25  24 x 16'  0.9"      1           7    0.052 0.281     
      Eschenberg      2.0            USNO                                        
169   Italy,          0.25  19 x 12'  1.3"     20         115    0.500 0.510     
      Rosignano       1.2             GSC                                        
198   Germany,        0.24  12 x 9'   2.0       3          20    0.106 0.065     
      Wildberg        2.4            USNO                                        
224   France,         0.30  29 x 19'  1.1"     14          42    0.424 0.367     
      Ottmarsheim     1.68           USNO                                        
240   Germany, Her-   0.40  15 x 10'  2.4"      1           3    0.474 0.355     
      renberg Sternw. 1.6            USNO                                        
246   Czech Repub.,   1.06  33 x 33'  1.9"     78         624    0.327 0.295     
      KLENOT          3.2            USNO                                        
247   Australia,      0.80  No data             1           4    0.550 0.633     
      Roving Obs.     3.5                                                        
291   USA,Kitt Peak,  1.8  390 x 30'  1.0"   1178        4140    0.197 0.171     
      Spacewatch II   4.7            USNO                                        
300   Japan,          0.5   78 x 78'  2.3"      8          32    0.275 0.161     
      Bisei Center    1.3             ACT                                        
304   Spain, Canary,  6.5   No data             4         173    0.200 0.109     
      Las Campanas                   USNO                                        
379   Japan, Hama     0.25  17 x 13'  2.1"      2          38    0.219 0.186     
      -matsu-Yuto     1.25            ACT                                        
415   Kambah,         0.36  14 x 10'  1.1"      1           3    0.492 0.150     
      Australia       1.6            UCAC                                        
448   USA, Desert     0.30  21 x 21'  2.4"     20          62    0.322 0.509     
      Moon Observat.  2.0            USNO                                        
461   Hungary, JATE   0.60  28 x 19'  1.1"     24          93    0.190 0.182     
      Asteroid Surv.  1.8            USNO                                        
467   New Zealand,    0.50  No data             1           3    0.120 0.108     
      Auckland Obs.   3.2            USNO                                        
473   Italy,          0.30  No data             1           3    0.055 0.092     
      Remanzacco      0.8             GSC                                        
557   Czech Rep.,     0.65  20 x 13'  1.6"     10         102    0.160 0.089     
      Ondrejov        2.3            USNO                                        
560   Italy, Madon-   0.40  17 x 10'  2.6"      2           6    0.088 0.349     
      na di Dossob.   2.0             GSC                                        
568   USA,            2.24  18 x 18'  0.4"      1           3    0.079 0.049     
      Mauna Kea       22.0           USNO                                        
619   Spain,          0.51  14 x 11'  2.8"      2           6    0.056 0.103     
      Sabadell        2.0             GSC                                        
621   Germany, Ber-   0.60  11 x 10'  1.2"      5          16    0.278 0.192     
      gisch Gladbach  3.1            USNO                                        
673   USA, Table      0.61  22 x 22'  0.3"     11          38    0.092 0.033     
      Mountain        9.0             ACT                                        
683   USA, Good-      0.36  20 x 20'  2.5"   1386       10737    0.753 0.663     
      ricke-Pigott    4.0             GSC                                        
691   USA,            0.88 390 x 30'  1.1"  15338       88596    0.278 0.274     
      Spacewatch      4.6            USNO                                        
699   USA, Lowell,    0.59 173 x 173' 2.5"   1232        4908    0.481 0.445     
      LONEOS          1.1            USNO                                        
701   USA, Junk Bond  0.4   24 x 16'  1.8"    141         650    0.428 0.306     
      Obs.,           2.5             ACT                                        
703   USA, Catalina   0.41 175 x 175' 2.6"  21034      130701    0.546 0.496     
      Sky Survey      1.2            USNO                                        
704   USA,            1.0   94 x 72'  2.2"  32895      274095    0.522 0.529     
      Lincoln Lab.    2.2            USNO                                        
711   USA,            0.76  46 x 46'  1.3"      3           9    0.312 0.211     
      McDonald Obs.   2.3             GSC                                        
726   USA,            0.28  18 x 12'  2.9"      1           6    0.195 0.163     
      Brainerd        1.8            USNO                                        
735   USA,            0.46  No data            23          82    0.498 0.468     
      George Obs.                    USNO                                        
808   Argentina,      0.5   60 x 60'  0.8"      6          21    0.368 0.201     
      Carl.U.Cesco    3.8            USNO                                        
809   ESO             var.  No data   DSS     154        1419    0.090 0.067     
                                     USNO                                        
841   USA,            0.40  No data             3          21    0.189 0.129     
      Martin Obs.     1.6             GSC                                        
844   Uruguay,        0.35  28 x 28'  3.3"      1           4    0.167 0.076     
      Los Molinos     2.2             GSC                                        
926   USA, Tenagra    0.50  No data             2           8    0.106 0.103     
      II Observat.    5.0             GSC                                        
939   Spain,          0.20  15 x 11'  2.8"      2           6    0.129 0.180     
      Obs. Rodeno     2.0            USNO                                        
941   Spain, Obs.     0.26  21 x 21'  2.4"      1           5    0.171 0.352     
      Pla D'Arguin.   1.7             GSC                                        
A13   Obs. Naef,      0.3   39 x 26'   1.6     82         294    0.370 0.278     
      Switzerland     1.2             UCAC                                       
A35   Hormersdorf     0.30  13 x 9'    2.0      3           9    0.243 0.140     
      Obs., Germany.  1.8             USNO                                       
A41   Rezman Obs.,    0.41  55 x 38'   3.0      1           3    0.346 0.451     
      Slovenia        0.9             UCAC                                       
A44   Altschwendt,    0.30  17 x 13'   1.5      3           9    0.153 0.234     
      Austria         1.8             USNO                                       
A50   Andrushivka,    0.60  23 x 23'   1.4    310        1386    0.397 0.375     
      Ukraine         4.5             USNO                                       
A55   Osserv. di      0.40  19 x 19'   2.2      3           9    0.283 0.443     
      Borbona, Italy  1.8             USNO                                       
A77   Obs. Chante-    0.20  27 x 20'   2.1    189         570    0.492 0.428     
      Perdrix,France  1.86            USNO                                       
A80   Lindenberg      0.30  No data             3           9    0.225 0.167     
      Obs., Germany   1.2             UCAC                                       
A81   Balzaretto      0.20  25 x 19'   2.6      2           8    0.093 0.089     
      Obs., Italy     0.7             USNO                                       
A82   Oss. Astr. di   0.36  No data             1           4    0.048 0.073     
      Trieste, Italy                  UCAC                                       
A92   Urseanu Obs.,   0.23  11 x 8'    1.6      4          14    0.332 0.874     
      Romania         1.5             USNO                                       
A97   Stammersdorf,   0.13  35 x 26'   3.2      3          24    0.243 0.252     
      Austria         1.0             USNO                                       
B01   Taunus Obs.,    0.6   62 x 42'   1.9     25         159    0.525 0.304     
      Germany         2.0             USNO                                       
B15   Inastars Obs.,  0.36  No data            15          59    0.182 0.188     
      Germany                         USNO                                       
B18   Terskol, Rus-   2.0   No data             3          48    0.291 0.279     
      sia/Ukraine     3.6             USNO                                       
B20   Obs. Carmeli-   0.26  19 x 12'   1.5      2          12    0.370 0.203     
      ta, Spain       1.3             UCAC                                       
B21   Gaisberg Obs.,  0.60  23 x 16'   0.9     13          42    0.272 0.177     
      Austria         2.0             USNO                                       
B24   Cesson,         0.2   22 x 14'   0.9      1           3    0.295 1.005     
      France          2.2             UCAC                                       
B32   Gelenau,       0.28   20 x 13'   1.5      2          10    0.121 0.092     
      Germany        1.3              UCAC                                       
B36   Redshed Obs.,  0.32   30 x 20'   1.4      5          15    0.440 0.677     
      Austria        1.6              USNO                                       
B37   Obs. Barcelona, 0.51  No data             1           9    0.247 0.443     
      Spain           2.0             USNO                                       
B50   Corner Obs.,    0.20  12 x 9'    2.2      1           3    0.841 0.528     
      Germany         0.9             USNO                                       
B61   Sant Cugat      0.25  31 x 21'   1.8      2           7    0.788 0.195     
      Valles, Spain                   USNO                                       
B64   Slope Rock      0.20  No data             3           9    0.646 0.203     
      Obs., Finland   1.0             USNO                                       
B65   Komakallio      0.11  No data             9          89    0.158 0.124     
      Obs., Finland   0.8             USNO                                       
B67   Stern. Mirast., 0.90  No data             2           9    0.200 0.248     
      Switzerland.    6.0             USNO                                       
D29   Purple Mount.,  1.04 120 x 120'  1.7   4878       20748    0.354 0.337     
      China           1.8             UCAC                                       
D35   Lulin Observ.,  1.0   12 x 11'   0.5    582        1749    0.272 0.260     
      Taiwan          8.0             USNO                                       
D39   Shandong        1.0   12 x 12'   0.4     17          56    0.138 0.145     
      Univ., China    8.0             UCAC                                       
E11   Frog Rock       0.32  No data             1           3    0.118 0.115     
      Obs.,Australia                  UCAC                                       
E12   Siding Spring   0.5   No data          1442        6141    0.396 0.367     
     Surv.,Australia                  UCAC                                       
E18   BDI Observ.     0.2   14 x 10'   1.3      1           3    0.147 0.025     
      Australia       1.2             UCAC                                       
F85   Tiki Obs.,      0.41  No data            34         102    0.218 0.288     
      Fr. Polynesia   3.3                                                        
G68   Sierra Stars    0.61  20 x 20'   0.8      4          14    0.181 0.202     
      Obs., USA       6.0          GSC-ACT                                       
G69   Thousand Oaks,  0.30  25 x 25'   1.8     11          75    0.483 0.329     
      U.S.A.          3.0             UCAC                                       
G89   Kachina Obs.,   0.36  21 x 21'   1.2      1           4    0.045 0.065     
      Flagstaff,USA   4.0             UCAC                                       
G92   Jarnac Obser.   0.35  No data           508        2335    0.363 0.344     
      U.S.A.          f/2             USNO                                       
G96   Mt. Lemmon      1.5   66 x 66'   1.0  27776      144613    0.263 0.200     
      Survey, U.S.A.  f/2             UCAC                                       
G98   Calvin-Rehob.   0.41  22 x 14'   0.6      4          20    0.263 0.257     
      Obs., U.S.A.    3.4             USNO                                       
H06   New Mexico Ski- 0.25  56 x 37'   2.2     65         237    0.448 0.573     
      es Obs., Germ.  0.8             UCAC                                       
H07   7300 Observ.,   0.45  No data            86         504    0.279 0.279     
      Canada          f/3          GSC-ACT                                       
H45   Petit Jean      0.41  No data            15         128    0.171 0.207     
      Mount., USA     1.4             UCAC                                       
H51   Greiner Res.    0.36  No data            42         207    0.322 0.356     
      Obs.,  USA                      UCAC                                       
H55   Antares Obs.    0.40  21 x 21'   2.4     55         172    0.365 0.269     
      U.S.A.          f/5.8           USNO                                       
H68   Red Barn Obs.,  0.30  24 x 16'   1.8      3          11    0.992 0.841     
      Ty Ty, USA      1.0             USNO                                       
H85  Silver Spring,   0.45  No data             2           6    0.246 0.072     
     USA              3.3             UCAC                                       
H87   Fenwick Obs.,   0.25  No data             4          12    0.291 0.229     
      U.S.A.          1.2              ACT                                       
H95   NJIT Observ.,   0.25  No data             2          12    0.093 0.044     
      U.S.A.          2.5             USNO                                       
H98   Dark Roseanne   0.20  20 x 15'            1           3    0.123 0.025     
      Obs., USA       0.8             USNO                                       
J25   Obs. de Nava    0.4   No data             3          18    0.452 0.281     
      Spain           4.0             USNO                                       
J28   Ja\'en,               No data             2           6    0.188 0.400     
      Spain                           UCAC                                       
J29   Obs. Nira,      0.24  No data             2          18    0.090 0.146     
      Tias, Spain     1.2             USNO                                       
J30                                             4          31    0.637 0.869     

J32   Aljaraque       0.15  No data             3          13    0.250 0.228     
      Spain           1.2             USNO                                       
J34                                             2           6    0.177 0.268     

J35   Tucci Obs.,           No data             1           3    0.251 0.341     
      Martos, Spain                   USNO                                       
J37   Huelva,         0.15  60 x 47'   1.6      1           3    0.237 0.365     
      Spain           0.8             UCAC                                       
J38   La Vara,        0.26  17 x 17'     2      4          12    0.101 0.122     
      Spain           2.0             USNO                                       
J40   Malaga,         0.20  17 x 12'   1.5      3           9    0.145 0.183     
      Spain           1.0             USNO                                       
J42   Puzol,          0.20  21 x 14'   1.7      4          16    0.506 0.528     
      Spain           1.6             USNO                                       
J46   Obs. Montana,   0.20  No data             3           9    0.222 0.217     
      Tias, Spain     1.3             UCAC                                       
J47   Obs. Nazaret,   0.20  No data             9          30    0.538 0.271     
      Spain           1.3             UCAC                                       
J51   Obs. Atlante,   0.2   42 x 28'   1.5      6          18    0.062 0.055     
      Tenerife,Spain  1.8             USNO                                       
J69   North Obs.      0.40  16 x 12'            2           6    0.138 0.091     
      England         1.8             USNO                                       
J70   Obs. Astr. El   0.20  No data             5          18    0.476 0.457     
      Palmar, Spain                   USNO                                       
J76   La Murta,       0.40  14 x 14'   1.6      9          27    0.303 0.412     
      Spain           2.6             USNO                                       
J93   Mount Tuffley   0.25  21 x 16'   1.7      2           6    0.214 0.166     
      Obs., England   1.4             USNO                                       
J94   Abbeydale,      0.2   16 x 10'     2      7          21    0.238 0.212     
      England         2.0             UCAC                                       
J95   Great Shefford, 0.30  25 x 25'   1.5     10          35    0.433 0.411     
      England         1.9             USNO                                       

This Table contains results of our analysis of an "exterior" accuracy of CCD positional Numbered Minor Planets observations carried out in indication month of current year. The observatories taken into consideration are given with their MPC codes and instrumental equipment. A number of considered Numbered Minor Planets and their processed positions is given together with a mean error of a single observation for RA and DEC. Several close night observations were used for getting these errors. A visitor may click required MPC code number (blue color) and see the first 100 Kb information as to detailed test of CCD positions made with this MPC code and sent to the MPC Database. These information tables show the (O-C) values for each observation.

If you find any inaccurate recording, please, send us a letter for correction.

External errors March, 2008
---------------------------------------------------------------------------------
MPC    Country,       Diam.,         Scale, Number   Number    Mean errors of    
code   Observa-       Focus   FOV    Cata-  of minor   of      single observation
         tory          (m)           log    planets  positions    RA    DE       
---------------------------------------------------------------------------------
                                                                  "     "        
084   Pulkovo Obs.,   0.33  15 x 15'  1.0"     17         192    0.297 0.298     
      Normal Asgr.    3.0            UCAC                                        
104   Italy, San      0.40  21 x 21'  2.5"     28         178    0.556 0.481     
      Marccello       2.0             GSC                                        
118   Slovakia,       0.57  14 x 10'  1.7"      1           8    0.282 0.121     
      Modra           3.3            USNO                                        
169   Italy,          0.25  19 x 12'  1.3"     15         108    0.523 0.550     
      Rosignano       1.2             GSC                                        
198   Germany,        0.24  12 x 9'   2.0       1          10    0.097 0.111     
      Wildberg        2.4            USNO                                        
224   France,         0.30  29 x 19'  1.1"      3          15    0.224 0.417     
      Ottmarsheim     1.68           USNO                                        
246   Czech Repub.,   1.06  33 x 33'  1.9"      1          18    0.168 0.120     
      KLENOT          3.2            USNO                                        
291   USA,Kitt Peak,  1.8  390 x 30'  1.0"    127         963    0.253 0.212     
      Spacewatch II   4.7            USNO                                        
304   Spain, Canary,  6.5   No data             3         165    0.259 0.136     
      Las Campanas                   USNO                                        
379   Japan, Hama     0.25  17 x 13'  2.1"      1          25    0.276 0.259     
      -matsu-Yuto     1.25            ACT                                        
448   USA, Desert     0.30  21 x 21'  2.4"      1           4    0.463 0.451     
      Moon Observat.  2.0            USNO                                        
461   Hungary, JATE   0.60  28 x 19'  1.1"      2          12    0.307 0.208     
      Asteroid Surv.  1.8            USNO                                        
557   Czech Rep.,     0.65  20 x 13'  1.6"      4          59    0.193 0.099     
      Ondrejov        2.3            USNO                                        
673   USA, Table      0.61  22 x 22'  0.3"     17          71    0.073 0.040     
      Mountain        9.0             ACT                                        
683   USA, Good-      0.36  20 x 20'  2.5"   1016       10405    0.779 0.877     
      ricke-Pigott    4.0             GSC                                        
689   USA, USNO       1.55  No data            73         347    0.178 0.167     
      Flagstaff                       ACT                                        
691   USA,            0.88 390 x 30'  1.1"   7743       65600    0.288 0.283     
      Spacewatch      4.6            USNO                                        
695   USA,            var.  No data             9          29    0.194 0.173     
      Kit Peak                       USNO                                        
701   USA, Junk Bond  0.4   24 x 16'  1.8"     14         119    0.401 0.300     
      Obs.,           2.5             ACT                                        
703   USA, Catalina   0.41 175 x 175' 2.6"   8497       79791    0.558 0.518     
      Sky Survey      1.2