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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 December, 2007
--------------------------------------------------------------------------------- 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" 58 381 0.521 0.447 Uccle 2.1 GSC 104 Italy, San 0.40 21 x 21' 2.5" 100 460 0.393 0.454 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 957 3996 0.353 0.360 Crni vrh 2.4 USNO 114 1 8 1.004 0.750 118 Slovakia, 0.57 14 x 10' 1.7" 7 32 0.211 0.141 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 9 57 0.230 0.101 Bornheim 0.8 GSC 130 Italy, 0.4 15 x 10' 1.0" 24 89 0.391 0.361 Lumezzane 1.8 USNO 147 Italy, Osser. 0.40 16 x 16' 1.9" 1 3 0.137 0.140 Astr. di Suno 1.6 USNO 169 Italy, 0.25 19 x 12' 1.3" 7 29 0.622 0.655 Rosignano 1.2 GSC 170 Spain, Obs. 0.31 No data 3 10 0.098 0.202 de Begues 2.0 GSC 185 Switzerland, 0.61 23 x 15' 0.9" 47 206 0.389 0.343 jur.-Vicques 2.1 USNO 198 Germany, 0.24 12 x 9' 2.0 11 55 0.162 0.248 Wildberg 2.4 USNO 232 Spain, Masqu- 0.25 13 x 9' 2.0" 2 6 0.094 0.067 efa Observ. 1.8 GSC 233 Italy, Sauro 0.25 15 x 10' 2.3" 8 24 0.245 0.228 Donati Ast.Obs. 1.6 USNO 246 Czech Repub., 1.06 33 x 33' 1.9" 16 157 0.334 0.290 KLENOT 3.2 USNO 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 927 3549 0.209 0.165 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 6 26 0.376 0.236 Bisei Center 1.3 ACT 379 Japan, Hama 0.25 17 x 13' 2.1" 1 3 0.224 0.135 -matsu-Yuto 1.25 ACT 434 Italy, 0.18 10 x 7' 1.3" 1 4 0.034 0.044 S.Benedetto Po 1.6 GSC 448 USA, Desert 0.30 21 x 21' 2.4" 23 85 0.377 0.283 Moon Observat. 2.0 USNO 461 Hungary, JATE 0.60 28 x 19' 1.1" 36 190 0.166 0.165 Asteroid Surv. 1.8 USNO 510 Siegen, 0.30 No data 3 18 0.158 0.138 Germany 1.5 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 4 27 0.149 0.159 Ondrejov 2.3 USNO 560 Italy, Madon- 0.40 17 x 10' 2.6" 1 3 0.072 0.227 na di Dossob. 2.0 GSC 561 Hungary, 0.60 28 x 19' 1.1" 12 36 0.450 0.299 Piszkesteto 1.8 USNO 619 Spain, 0.51 14 x 11' 2.8" 1 3 0.055 0.091 Sabadell 2.0 GSC 621 Germany, Ber- 0.60 11 x 10' 1.2" 50 344 0.263 0.274 gisch Gladbach 3.1 USNO 627 France, 0.26 19 x 12' 3" 4 33 0.544 0.391 Blauvac 1.2 GSC 628 Germany, 0.20 18 x 12' 2.4" 3 19 0.240 0.449 Mulheim-Ruhr 1.2 GSC 651 USA, Grass- 0.62 No data 1 3 0.175 0.093 lands Obs. 3.2 GSC 673 USA, Table 0.61 22 x 22' 0.3" 8 28 0.184 0.048 Mountain 9.0 ACT 682 USA, 0.25 23 x 15' 1.8" 2 6 0.860 0.440 Kanab 1.0 GSC 683 USA, Good- 0.36 20 x 20' 2.5" 367 2034 0.805 0.656 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 8538 40570 0.331 0.327 Spacewatch 4.6 USNO 699 USA, Lowell, 0.59 173 x 173' 2.5" 9672 40325 0.495 0.440 LONEOS 1.1 USNO 701 USA, Junk Bond 0.4 24 x 16' 1.8" 178 919 0.414 0.294 Obs., 2.5 ACT 703 USA, Catalina 0.41 175 x 175' 2.6" 21655 106388 0.550 0.497 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 32490 216753 0.515 0.516 Lincoln Lab. 2.2 USNO 711 USA, 0.76 46 x 46' 1.3" 5 15 0.590 0.333 McDonald Obs. 2.3 GSC 715 USA, 0.30 23 x 15' 1.8" 5 20 0.121 0.157 Las Cruces 1.0 USNO 735 USA, 0.46 No data 4 12 0.565 0.554 George Obs. USNO 808 Argentina, 0.5 60 x 60' 0.8" 2 6 0.107 0.090 Carl.U.Cesco 3.8 USNO 809 ESO var. No data DSS 1 4 0.110 0.055 USNO 926 USA, Tenagra 0.50 No data 77 247 0.263 0.237 II Observat. 5.0 GSC 939 Spain, 0.20 15 x 11' 2.8" 2 6 0.148 0.114 Obs. Rodeno 2.0 USNO 941 Spain, Obs. 0.26 21 x 21' 2.4" 1 5 0.035 0.603 Pla D'Arguin. 1.7 GSC 951 England, 0.25 15 x 15' 2.0" 158 499 0.530 0.295 Highworth 1.6 ACT A06 Mataro, 0.25 No data 7 21 0.239 0.186 Spain 1.6 UCAC A13 Obs. Naef, 0.3 39 x 26' 1.6 7 24 0.147 0.249 Switzerland 1.2 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 1 6 0.251 0.167 Weinheim, Germ. 1.8 UCAC A21 Irmtraut, 0.31 16 x 11' 1.2 1 3 0.192 0.404 Germany 1.5 USNO A24 New Millennium 0.36 12 x 12' 1.4 144 1807 0.405 0.364 Obs., Italy 3.9 GSC A35 Hormersdorf 0.30 13 x 9' 2.0 1 4 0.159 0.125 Obs., Germany. 1.8 USNO A74 Bergen-Enkh. 0.36 17 x 17' 0.8 6 28 0.165 0.207 Obs., Germany 1.8 UCAC A77 Obs. Chante- 0.20 27 x 20' 2.1 873 3000 0.415 0.350 Perdrix,France 1.86 USNO A78 Stia, Italy 0.28 40 x 27' 1.1 4 16 0.327 0.629 2.8 UCAC A81 Balzaretto 0.20 25 x 19' 2.6 3 10 0.109 0.089 Obs., Italy 0.7 USNO A87 Rimbach, 0.35 40 x 28' 0.6 3 11 0.895 0.532 Germany 3.0 USNO A88 Bolzaneto, 0.20 21 x 16' 2.2 2 6 0.572 0.256 Italy 2.0 UCAC B01 Taunus Obs., 0.6 62 x 42' 1.9 9 36 0.385 0.225 Germany 2.0 USNO B03 Alter Satz- 0.35 30 x 20' 1.8 1 7 0.161 0.135 berg, Austria 2.6 USNO B04 Saint-Barthel. 0.81 13 x 13' 0.8 1 4 0.240 0.037 Obs., Italy 6.4 USNO B09 Capannoli, 0.25 24 x 16' 1.9 1 8 0.217 0.137 Italy 1.6 USNO B15 Inastars Obs., 0.36 No data 7 35 0.151 0.218 Germany USNO B19 Obs., Mataro 0.15 No data 3 9 0.349 0.371 Spain GSC B26 Obs.des Terres 0.08 No data 1 5 0.059 0.080 Blanches,France B34 Green Island 0.13 6 x 4.5' 0.5 2 6 0.779 0.611 Obs., Cyprus 2.0 USNO B40 Skylive Obs., 0.41 No data 1 4 0.234 0.389 Catania, Italy 4.1 USNO B54 3 19 0.322 0.254 D21 Shenton Park, 0.25 No data 13 39 0.603 0.523 Australia 2.5 USNO D29 Purple Mount., 1.04 120 x 120' 1.7 1344 5827 0.374 0.351 China 1.8 UCAC D35 Lulin Observ., 1.0 12 x 11' 0.5 1403 4818 0.266 0.239 Taiwan 8.0 USNO D55 Kangwon, Ksho 0.41 13 x 8' 0.4 1 3 0.447 0.565 South Korea 4.1 GSC E12 Siding Spring 0.5 No data 107 423 0.366 0.335 Surv.,Australia UCAC G69 Thousand Oaks, 0.30 25 x 25' 1.8 7 66 0.149 0.125 U.S.A. 3.0 UCAC G85 Vermillion Obs. 0.6 No data 2 12 0.362 0.311 Kanab, U.S.A. 3.1 UCAC G89 Kachina Obs., 0.36 21 x 21' 1.2 2 55 0.338 0.321 Flagstaff,USA 4.0 UCAC G96 Mt. Lemmon 1.5 66 x 66' 1.0 17426 79724 0.275 0.216 Survey, U.S.A. f/2 UCAC H01 Magdalena Rid- 2.4 No data 1 5 0.137 0.060 ge Obs., USA 21.4 USNO H06 New Mexico Ski- 0.25 56 x 37' 2.2 35 105 0.442 0.417 es Obs., Germ. 0.8 UCAC H07 7300 Observ., 0.45 No data 123 533 0.408 0.372 Canada f/3 GSC-ACT H45 Petit Jean 0.41 No data 29 288 0.200 0.188 Mount., USA 1.4 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 32 104 0.322 0.440 U.S.A. f/5.8 USNO H67 Stonegate Obs., 0.35 19 x 19' 2 2 8 0.488 0.160 U.S.A. 2.45 USNO H68 Red Barn Obs., 0.30 24 x 16' 1.8 104 560 0.287 0.271 Ty Ty, USA 1.0 USNO H71 Chula, 0.30 No data 32 183 0.612 0.360 U.S.A. 1.9 USNO H82 CBA-NOVAC 0.66 No data 5 27 0.299 0.334 Obs., U.S.A. 1.8 UCAC H98 Dark Roseanne 0.20 20 x 15' 1 3 0.157 0.098 Obs., USA 0.8 USNO J34 1 3 0.101 0.046 J36 2 6 0.589 0.225 J37 Huelva, 0.15 60 x 47' 1.6 13 43 0.510 0.338 Spain 0.8 UCAC J38 La Vara, 0.26 17 x 17' 2 9 30 0.197 0.212 Spain 2.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 1 6 0.389 0.298 Spain 1.0 USNO J46 Obs. Montana, 0.20 No data 6 18 0.090 0.462 Tias, Spain 1.3 UCAC J47 Obs. Nazaret, 0.20 No data 8 24 0.575 0.323 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 4 12 0.329 0.155 Tenerife,Spain 1.8 USNO J59 Obs. Linceo, 0.25 33 x 25' 2.6 1 3 0.214 0.254 Spain 0.8 UCAC J66 Kinver, 0.41 23 x 23' 1.4 5 22 0.499 0.292 England 3.7 GSC J69 North Obs. 0.40 16 x 12' 1 3 0.135 0.089 England 1.8 USNO J70 Obs. Astr. El 0.20 No data 9 44 0.936 0.753 Palmar, Spain USNO J71 Willow Bank 0.35 No data 1 3 0.070 0.021 Obs., England UCAC J76 La Murta, 0.40 14 x 14' 1.6 6 19 0.308 0.234 Spain 2.6 USNO J87 La Canada, 0.30 16 x 16' 1.4 3 9 0.727 0.333 Spain 1.2 USNO J88 Strawberry Fi- 0.30 9 x 7' 1.5 3 9 0.398 0.327 eld Obs., Engl. 3.0 USNO J93 Mount Tuffley 0.25 21 x 16' 1.7 3 9 0.215 0.154 Obs., England 1.4 USNO J95 Great Shefford, 0.30 25 x 25' 1.5 21 97 0.268 0.249 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 December, 2007
--------------------------------------------------------------------------------- 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" 24 247 0.586 0.424 Uccle 2.1 GSC 104 Italy, San 0.40 21 x 21' 2.5" 31 239 0.365 0.432 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 15 120 0.272 0.305 Crni vrh 2.4 USNO 118 Slovakia, 0.57 14 x 10' 1.7" 2 14 0.257 0.181 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 5 45 0.382 0.205 Bornheim 0.8 GSC 169 Italy, 0.25 19 x 12' 1.3" 1 9 0.103 0.188 Rosignano 1.2 GSC 197 Italy, 0.42 13 x 10' 2.0" 1 3 0.188 0.085 Bastia 2.2 GSC 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 141 1023 0.234 0.178 Spacewatch II 4.7 USNO 448 USA, Desert 0.30 21 x 21' 2.4" 3 21 0.314 0.324 Moon Observat. 2.0 USNO 461 Hungary, JATE 0.60 28 x 19' 1.1" 13 120 0.174 0.148 Asteroid Surv. 1.8 USNO 510 Siegen, 0.30 No data 2 17 0.165 0.141 Germany 1.5 USNO 621 Germany, Ber- 0.60 11 x 10' 1.2" 37 303 0.263 0.274 gisch Gladbach 3.1 USNO 627 France, 0.26 19 x 12' 3" 3 30 0.407 0.403 Blauvac 1.2 GSC 628 Germany, 0.20 18 x 12' 2.4" 3 21 0.254 0.500 Mulheim-Ruhr 1.2 GSC 673 USA, Table 0.61 22 x 22' 0.3" 11 49 0.077 0.036 Mountain 9.0 ACT 682 USA, 0.25 23 x 15' 1.8" 2 10 0.624 0.405 Kanab 1.0 GSC 683 USA, Good- 0.36 20 x 20' 2.5" 225 1777 0.788 0.822 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 3264 24490 0.360 0.358 Spacewatch 4.6 USNO 699 USA, Lowell, 0.59 173 x 173' 2.5" 442 3505 0.528 0.402 LONEOS 1.1 USNO 701 USA, Junk Bond 0.4 24 x 16' 1.8" 27 306 0.375 0.287 Obs., 2.5 ACT 703 USA, Catalina 0.41 175 x 175' 2.6" 4373 36830 0.545 0.509 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 12179 127487 0.574 0.576 Lincoln Lab. 2.2 USNO 715 USA, 0.30 23 x 15' 1.8" 1 10 0.391 0.162 Las Cruces 1.0 USNO 926 USA, Tenagra 0.50 No data 2 12 0.350 0.368 II Observat. 5.0 GSC A06 Mataro, 0.25 No data 1 5 0.108 0.238 Spain 1.6 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 1 6 0.476 0.179 Weinheim, Germ. 1.8 UCAC A24 New Millennium 0.36 12 x 12' 1.4 90 1598 0.442 0.395 Obs., Italy 3.9 GSC A77 Obs. Chante- 0.20 27 x 20' 2.1 86 615 0.460 0.380 Perdrix,France 1.86 USNO B09 Capannoli, 0.25 24 x 16' 1.9 1 8 0.208 0.156 Italy 1.6 USNO B15 Inastars Obs., 0.36 No data 1 9 0.191 0.138 Germany USNO B26 Obs.des Terres 0.08 No data 1 6 0.098 0.138 Blanches,France B56 Obs. Sant Pere, 0.20 No data 3 12 0.182 0.194 Mataro, Spain 2.0 USNO D29 Purple Mount., 1.04 120 x 120' 1.7 36 297 0.304 0.311 China 1.8 UCAC D35 Lulin Observ., 1.0 12 x 11' 0.5 108 684 0.265 0.262 Taiwan 8.0 USNO E12 Siding Spring 0.5 No data 4 26 0.202 0.219 Surv.,Australia UCAC G69 Thousand Oaks, 0.30 25 x 25' 1.8 5 60 0.217 0.136 U.S.A. 3.0 UCAC G85 Vermillion Obs. 0.6 No data 2 12 0.380 0.295 Kanab, U.S.A. 3.1 UCAC G96 Mt. Lemmon 1.5 66 x 66' 1.0 2005 17204 0.283 0.237 Survey, U.S.A. f/2 UCAC H07 7300 Observ., 0.45 No data 14 120 0.410 0.431 Canada f/3 GSC-ACT H45 Petit Jean 0.41 No data 15 220 0.227 0.217 Mount., USA 1.4 UCAC H71 Chula, 0.30 No data 9 85 0.350 0.336 U.S.A. 1.9 USNO H82 CBA-NOVAC 0.66 No data 3 21 0.333 0.322 Obs., U.S.A. 1.8 UCAC J37 Huelva, 0.15 60 x 47' 1.6 2 11 0.310 0.193 Spain 0.8 UCAC J38 La Vara, 0.26 17 x 17' 2 1 6 0.076 0.100 Spain 2.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 1 6 0.547 0.287 Spain 1.0 USNO J44 Obs. Iturri- 0.30 27 x 20' 1.4 1 4 0.913 0.385 eta, Alava 1.0 USNO J46 Obs. Montana, 0.20 No data 1 4 0.359 0.273 Tias, Spain 1.3 UCAC J70 Obs. Astr. El 0.20 No data 1 13 0.304 0.501 Palmar, Spain USNO J95 Great Shefford, 0.30 25 x 25' 1.5 7 58 0.294 0.374 England 1.9 USNO