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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 November, 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 7 0.395 0.477 Uccle 2.1 GSC 056 Slovakia, 0.6 18 x 12' 0.7" 3 10 0.592 0.195 Skalnat. Pleso 2.6 USNO 071 Bulgaria, 0.50 28 x 18' 1.1" 1 10 0.257 0.057 National Obs. 1.7 GSC 104 Italy, San 0.40 21 x 21' 2.5" 98 342 0.509 0.519 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 905 3736 0.352 0.354 Crni vrh 2.4 USNO 114 8 97 0.302 0.305 118 Slovakia, 0.57 14 x 10' 1.7" 1 4 0.124 0.106 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 2 7 0.132 0.134 Bornheim 0.8 GSC 130 Italy, 0.4 15 x 10' 1.0" 18 67 0.386 0.275 Lumezzane 1.8 USNO 147 Italy, Osser. 0.40 16 x 16' 1.9" 2 6 0.130 0.116 Astr. di Suno 1.6 USNO 151 Switzerland, 0.25 24 x 16' 0.9" 4 16 0.246 0.115 Eschenberg 2.0 USNO 185 Switzerland, 0.61 23 x 15' 0.9" 39 248 0.245 0.206 jur.-Vicques 2.1 USNO 198 Germany, 0.24 12 x 9' 2.0 18 88 0.159 0.282 Wildberg 2.4 USNO 204 Italy, Schia- 0.60 12 x 12' 1.4" 8 31 0.085 0.079 parelli Obs. 2.8 USNO 212 Obs. La Dehesi- 0.26 No data 21 72 0.403 0.327 lla, Spain 2.6 GSC 213 Spain, Observ. 0.30 No data 2.4" 5 15 0.166 0.516 Montcabre 1.7 232 Spain, Masqu- 0.25 13 x 9' 2.0" 3 9 0.279 0.248 efa Observ. 1.8 GSC 233 Italy, Sauro 0.25 15 x 10' 2.3" 1 3 0.080 0.093 Donati Ast.Obs. 1.6 USNO 240 Germany, Her- 0.40 15 x 10' 2.4" 5 28 0.281 0.178 renberg Sternw. 1.6 USNO 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 1315 4527 0.193 0.144 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 29 161 0.351 0.348 Bisei Center 1.3 ACT 355 Japan, 0.28 21 x 16' 3.7" 3 12 0.672 0.302 Hadano 1.4 GSC 379 Japan, Hama 0.25 17 x 13' 2.1" 3 18 0.230 0.260 -matsu-Yuto 1.25 ACT 411 Japan, 0.41 No data 1 6 0.112 0.131 Oizumi 1.7 GSC 434 Italy, 0.18 10 x 7' 1.3" 2 8 0.134 0.229 S.Benedetto Po 1.6 GSC 448 USA, Desert 0.30 21 x 21' 2.4" 32 100 0.331 0.292 Moon Observat. 2.0 USNO 461 Hungary, JATE 0.60 28 x 19' 1.1" 7 22 0.216 0.187 Asteroid Surv. 1.8 USNO 493 Spain, var. No data 4 12 0.154 0.163 Calar Alto USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 7 96 0.164 0.134 Ondrejov 2.3 USNO 560 Italy, Madon- 0.40 17 x 10' 2.6" 2 6 0.343 0.214 na di Dossob. 2.0 GSC 568 USA, 2.24 18 x 18' 0.4" 3 18 0.023 0.028 Mauna Kea 22.0 USNO 585 Kiev comet sta- 0.70 No data 4 36 0.565 0.440 tion, Ukraine 2.8 USNO 587 Italy, 0.50 28 x 28' 1.7" 5 16 0.242 0.384 Sormano 3.0 GSC 611 Germany, 0.45 21 x 21' 2.5" 23 72 0.376 0.373 Heppenheim 2.0 USNO 621 Germany, Ber- 0.60 11 x 10' 1.2" 39 123 0.177 0.150 gisch Gladbach 3.1 USNO 673 USA, Table 0.61 22 x 22' 0.3" 2 8 0.262 0.167 Mountain 9.0 ACT 683 USA, Good- 0.36 20 x 20' 2.5" 809 6912 0.720 0.698 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 13418 69285 0.268 0.262 Spacewatch 4.6 USNO 701 USA, Junk Bond 0.4 24 x 16' 1.8" 62 247 0.602 0.331 Obs., 2.5 ACT 703 USA, Catalina 0.41 175 x 175' 2.6" 22801 120899 0.537 0.486 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 32363 273048 0.504 0.507 Lincoln Lab. 2.2 USNO 735 USA, 0.46 No data 7 24 0.305 0.478 George Obs. USNO 808 Argentina, 0.5 60 x 60' 0.8" 10 48 0.453 0.445 Carl.U.Cesco 3.8 USNO 850 USA, Cordell- 0.30 No data 11 40 0.535 0.474 Lorenz Obs. 1.7 GSC 926 USA, Tenagra 0.50 No data 84 311 0.264 0.226 II Observat. 5.0 GSC 939 Spain, 0.20 15 x 11' 2.8" 7 24 0.242 0.282 Obs. Rodeno 2.0 USNO 941 Spain, Obs. 0.26 21 x 21' 2.4" 3 9 0.143 0.090 Pla D'Arguin. 1.7 GSC 987 1 3 0.284 0.546 A10 Observat. de 0.30 43 x 32' 1.9 1 45 0.085 0.077 Corbera, Spain 1.4 UCAC A13 Obs. Naef, 0.3 39 x 26' 1.6 16 49 0.157 0.151 Switzerland 1.2 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 1 3 0.211 0.358 Weinheim, Germ. 1.8 UCAC A24 New Millennium 0.36 12 x 12' 1.4 110 1365 0.319 0.287 Obs., Italy 3.9 GSC A30 Rigel Observ., 0.23 14 x 11' 1.9 3 14 0.051 0.068 Italy 1.2 USNO A44 Altschwendt, 0.30 17 x 13' 1.5 1 3 0.125 0.114 Austria 1.8 USNO A50 Andrushivka, 0.60 23 x 23' 1.4 89 410 0.479 0.396 Ukraine 4.5 USNO A71 3 9 0.552 0.281 A74 Bergen-Enkh. 0.36 17 x 17' 0.8 4 24 0.120 0.131 Obs., Germany 1.8 UCAC A77 Obs. Chante- 0.20 27 x 20' 2.1 673 2888 0.434 0.353 Perdrix,France 1.86 USNO A78 Stia, Italy 0.28 40 x 27' 1.1 2 8 0.385 0.407 2.8 UCAC A79 Zvezdno Obsht. 0.25 18 x 14' 1.4 2 9 0.655 0.268 Obs.,Bulgaria 1.2 USNO A81 Balzaretto 0.20 25 x 19' 2.6 1 6 0.104 0.180 Obs., Italy 0.7 USNO A98 Taurus-1 Obs. 0.19 11 x 8' 1.4 2 26 0.298 0.216 Belarus 1.0 UCAC B03 Alter Satz- 0.35 30 x 20' 1.8 1 3 0.025 0.105 berg, Austria 2.6 USNO B15 Inastars Obs., 0.36 No data 10 34 0.190 0.146 Germany USNO B19 Obs., Mataro 0.15 No data 2 6 0.295 0.187 Spain GSC B20 Obs. Carmeli- 0.26 19 x 12' 1.5 6 21 0.238 0.199 ta, Spain 1.3 UCAC B23 Fiamene, 0.50 No data 3 12 0.110 0.266 Italy 4.0 USNO B30 Szamotuly-Ga- 0.20 No data 1 1 3 0.331 0.307 lowo, Poland 1.0 USNO B36 Redshed Obs., 0.32 30 x 20' 1.4 2 6 0.139 0.319 Austria 1.6 USNO B37 Obs. Barcelona, 0.51 No data 17 99 0.693 0.720 Spain 2.0 USNO B39 Tradate, 0.30 155 x 103' 3 5 19 0.292 0.426 Italy 0.6 USNO B42 Vitebsk, 0.3 11 x 8' 0.89 3 9 0.475 0.192 Belarus 1.5 USNO B49 Paus Obs., Sa- 0.20 No data 1 3 0.155 0.250 badell, Spain 1.0 USNO B50 Corner Obs., 0.20 12 x 9' 2.2 1 4 0.376 0.542 Germany 0.9 USNO B60 Deep Sky Obs., 0.41 12 x 9' 1.8 2 11 0.238 0.184 Germany 1.8 UCAC B67 20 63 0.291 0.218 B74 7 21 0.350 0.453 B75 5 60 0.195 0.156 B76 1 3 0.357 0.576 B77 1 7 0.396 0.203 B78 6 36 0.306 0.149 D29 Purple Mount., 1.04 120 x 120' 1.7 1320 5726 0.312 0.283 China 1.8 UCAC D35 Lulin Observ., 1.0 12 x 11' 0.5 90 375 0.352 0.366 Taiwan 8.0 USNO D39 82 289 0.188 0.171 E09 8 112 0.271 0.109 E12 Siding Spring 0.5 No data 265 1130 0.363 0.332 Surv.,Australia UCAC E85 2 6 0.221 0.349 G58 2 6 0.172 0.301 G68 Sierra Stars 0.61 20 x 20' 0.8 3 9 0.185 0.202 Obs., USA 6.0 GSC-ACT G69 Thousand Oaks, 0.30 25 x 25' 1.8 5 42 0.194 0.095 U.S.A. 3.0 UCAC G89 Kachina Obs., 0.36 21 x 21' 1.2 1 3 0.064 0.012 Flagstaff,USA 4.0 UCAC G92 Jarnac Obser. 0.35 No data 877 3508 0.453 0.463 U.S.A. f/2 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 21726 104418 0.258 0.180 Survey, U.S.A. f/2 UCAC G98 Calvin-Rehob. 0.41 22 x 14' 0.6 10 119 0.164 0.163 Obs., U.S.A. 3.4 USNO H01 Magdalena Rid- 2.4 No data 2 7 0.076 0.032 ge Obs., USA 21.4 USNO H06 New Mexico Ski- 0.25 56 x 37' 2.2 16 48 0.169 0.229 es Obs., Germ. 0.8 UCAC H10 Tzec Maun Obs., var. No data 62 248 0.413 0.286 U.S.A. USNO H28 6 41 0.379 0.365 H45 Petit Jean 0.41 No data 1 5 0.142 0.182 Mount., USA 1.4 UCAC H47 Vicksburg, 0.3 No data 2 6 0.302 0.135 U.S.A. USNO H53 Thompsonville, 0.31 No data 13 262 0.447 0.345 U.S.A. 0.9 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 68 234 0.217 0.224 U.S.A. f/5.8 USNO H57 4 39 0.482 0.219 H61 1 3 1.908 0.979 H83 Oakton, 0.36 No data 1 3 0.161 0.035 USA USNO H87 Fenwick Obs., 0.25 No data 4 12 0.335 0.352 U.S.A. 1.2 ACT J19 35 111 0.158 0.185 J24 1 3 0.321 0.040 J27 2 6 0.096 0.075 J38 La Vara, 0.26 17 x 17' 2 2 6 0.530 0.268 Spain 2.0 USNO J39 Ingenio, Las 0.25 No data 2 7 0.291 0.338 Palmas, Spain 1.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 2 6 0.377 0.437 Spain 1.0 USNO J41 Raheny, 0.25 31 x 23' 1.3 2 6 0.185 0.156 Ireland 1.0 USNO J46 Obs. Montana, 0.20 No data 2 6 0.039 0.073 Tias, Spain 1.3 UCAC J47 Obs. Nazaret, 0.20 No data 59 244 0.184 0.168 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 2 6 0.269 0.159 Tenerife,Spain 1.8 USNO J52 Obs. Pinsoro, 0.25 28 x 20' 2.3 2 7 0.380 0.322 Spain 0.8 USNO J53 Posadas, 0.23 No data 7 27 0.242 0.347 Spain 1.2 UCAC J55 Los Altos, Ca- 0.36 21 x 16' 8 27 0.164 0.118 nary Islands UCAC J69 North Obs. 0.40 16 x 12' 1 8 0.117 0.152 England 1.8 USNO J75 OAM Obs., La 0.35 No data 6869 31685 0.402 0.400 Sagra, Spain f/6 UCAC J93 Mount Tuffley 0.25 21 x 16' 1.7 6 18 0.279 0.438 Obs., England 1.4 USNO J94 Abbeydale, 0.2 16 x 10' 2 2 6 0.487 0.414 England 2.0 UCAC J95 Great Shefford, 0.30 25 x 25' 1.5 6 19 0.224 0.141 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 November, 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 --------------------------------------------------------------------------------- " " 104 Italy, San 0.40 21 x 21' 2.5" 11 72 0.497 0.405 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 11 85 0.245 0.242 Crni vrh 2.4 USNO 114 2 58 0.353 0.304 198 Germany, 0.24 12 x 9' 2.0 2 21 0.160 0.130 Wildberg 2.4 USNO 240 Germany, Her- 0.40 15 x 10' 2.4" 1 6 0.261 0.396 renberg Sternw. 1.6 USNO 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 115 792 0.265 0.189 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 3 36 0.319 0.346 Bisei Center 1.3 ACT 379 Japan, Hama 0.25 17 x 13' 2.1" 1 11 0.299 0.254 -matsu-Yuto 1.25 ACT 411 Japan, 0.41 No data 1 6 0.176 0.121 Oizumi 1.7 GSC 448 USA, Desert 0.30 21 x 21' 2.4" 3 16 0.134 0.120 Moon Observat. 2.0 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 3 68 0.171 0.124 Ondrejov 2.3 USNO 621 Germany, Ber- 0.60 11 x 10' 1.2" 2 12 0.171 0.164 gisch Gladbach 3.1 USNO 683 USA, Good- 0.36 20 x 20' 2.5" 617 6997 0.795 0.913 ricke-Pigott 4.0 GSC 689 USA, USNO 1.55 No data 83 434 0.188 0.177 Flagstaff ACT 691 USA, 0.88 390 x 30' 1.1" 5611 45595 0.281 0.271 Spacewatch 4.6 USNO 701 USA, Junk Bond 0.4 24 x 16' 1.8" 5 39 0.325 0.191 Obs., 2.5 ACT 703 USA, Catalina 0.41 175 x 175' 2.6" 6465 54656 0.522 0.498 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 18295 212334 0.572 0.575 Lincoln Lab. 2.2 USNO 808 Argentina, 0.5 60 x 60' 0.8" 4 30 0.307 0.428 Carl.U.Cesco 3.8 USNO 900 Japan, 0.25 No data 1 4 0.126 0.254 Moriyama 1.6 GSC 926 USA, Tenagra 0.50 No data 10 91 0.199 0.174 II Observat. 5.0 GSC 939 Spain, 0.20 15 x 11' 2.8" 1 6 0.356 0.089 Obs. Rodeno 2.0 USNO A13 Obs. Naef, 0.3 39 x 26' 1.6 9 43 0.574 0.443 Switzerland 1.2 UCAC A24 New Millennium 0.36 12 x 12' 1.4 88 1384 0.353 0.300 Obs., Italy 3.9 GSC A50 Andrushivka, 0.60 23 x 23' 1.4 6 80 0.428 0.422 Ukraine 4.5 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 203 1483 0.467 0.385 Perdrix,France 1.86 USNO A81 Balzaretto 0.20 25 x 19' 2.6 1 6 0.137 0.161 Obs., Italy 0.7 USNO A98 Taurus-1 Obs. 0.19 11 x 8' 1.4 1 18 0.372 0.336 Belarus 1.0 UCAC B19 Obs., Mataro 0.15 No data 1 4 0.237 0.142 Spain GSC B20 Obs. Carmeli- 0.26 19 x 12' 1.5 1 6 0.158 0.121 ta, Spain 1.3 UCAC B37 Obs. Barcelona, 0.51 No data 4 46 0.717 0.721 Spain 2.0 USNO B39 Tradate, 0.30 155 x 103' 3 2 13 0.314 0.568 Italy 0.6 USNO B67 Stern. Mirast., 0.90 No data 1 6 0.059 0.168 Switzerland. 6.0 USNO B74 Santa Maria de 0.31 No data 1 5 0.594 0.273 Mont. Spain 1.4 UCAC B75 Stazione Astr. 0.20 No data 3 54 0.227 0.208 Betelg.,Italy 2.0 USNO B78 Astrophoton 0.30 36 x 27' 1.4 6 36 0.303 0.187 Obs., Austria 1.1 USNO D35 Lulin Observ., 1.0 12 x 11' 0.5 1 48 0.183 0.205 Taiwan 8.0 USNO D39 Shandong 1.0 12 x 12' 0.4 5 37 0.222 0.209 Univ., China 8.0 UCAC E09 8 118 0.302 0.110 E12 Siding Spring 0.5 No data 32 230 0.375 0.327 Surv.,Australia UCAC F84 Hibiscus Obs., 0.36 No data 16 84 0.358 0.349 Fr. Polynesia 1.0 UCAC G69 Thousand Oaks, 0.30 25 x 25' 1.8 3 36 0.189 0.111 U.S.A. 3.0 UCAC G92 Jarnac Obser. 0.35 No data 169 1308 0.490 0.492 U.S.A. f/2 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 3882 32926 0.268 0.211 Survey, U.S.A. f/2 UCAC G98 Calvin-Rehob. 0.41 22 x 14' 0.6 5 92 0.178 0.231 Obs., U.S.A. 3.4 USNO H10 Tzec Maun Obs., var. No data 10 63 0.351 0.320 U.S.A. USNO H28 Preston Hills 0.28 No data 2 22 0.246 0.276 Obs., USA 2.8 GSC H53 Thompsonville, 0.31 No data 10 245 0.415 0.339 U.S.A. 0.9 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 4 31 0.277 0.181 U.S.A. f/5.8 USNO H57 Ohio State 0.41 No data 2 21 0.641 0.444 Univ.Obs.,USA 4.5 USNO I12 Phillips Acade- 0.41 No data 3 12 0.466 0.267 my Obs., USA 3.3 UCAC J27 El Guijo Obs., 0.20 No data 1 5 0.113 0.133 Madrid, Spain 1.0 USNO J45 Obs. Montana, 0.15 27 x 22' 2.3 1 4 0.354 0.039 Spain 2.0 USNO J47 Obs. Nazaret, 0.20 No data 14 107 0.232 0.259 Spain 1.3 UCAC J53 Posadas, 0.23 No data 1 7 0.138 0.129 Spain 1.2 UCAC J55 Los Altos, Ca- 0.36 21 x 16' 1 6 0.288 0.165 nary Islands UCAC J69 North Obs. 0.40 16 x 12' 1 8 0.328 0.229 England 1.8 USNO J75 OAM Obs., La 0.35 No data 1942 16304 0.430 0.414 Sagra, Spain f/6 UCAC J95 Great Shefford, 0.30 25 x 25' 1.5 2 9 0.163 0.075 England 1.9 USNO