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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 July, 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 --------------------------------------------------------------------------------- " " 056 Slovakia, 0.6 18 x 12' 0.7" 2 8 0.029 0.048 Skalnat. Pleso 2.6 USNO 069 3 16 0.422 0.364 094 Russia, Sime- 1.0 6 x 5' 1" 3 52 0.483 0.576 iz, INASAN 2.2 USNO 104 Italy, San 0.40 21 x 21' 2.5" 38 172 0.521 0.500 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 641 2906 0.371 0.361 Crni vrh 2.4 USNO 118 Slovakia, 0.57 14 x 10' 1.7" 1 7 0.154 0.070 Modra 3.3 USNO 130 Italy, 0.4 15 x 10' 1.0" 3 12 0.380 0.307 Lumezzane 1.8 USNO 151 Switzerland, 0.25 24 x 16' 0.9" 3 21 0.348 0.309 Eschenberg 2.0 USNO 170 Spain, Obs. 0.31 No data 1 3 0.167 0.081 de Begues 2.0 GSC 185 Switzerland, 0.61 23 x 15' 0.9" 21 96 0.343 0.332 jur.-Vicques 2.1 USNO 196 Germany, 0.20 No data 1 3 0.155 0.128 Homburg-Erbach 1.3 USNO 198 Germany, 0.24 12 x 9' 2.0 3 10 0.154 0.134 Wildberg 2.4 USNO 204 Italy, Schia- 0.60 12 x 12' 1.4" 8 30 0.092 0.098 parelli Obs. 2.8 USNO 246 Czech Repub., 1.06 33 x 33' 1.9" 17 132 0.236 0.214 KLENOT 3.2 USNO 300 Japan, 0.5 78 x 78' 2.3" 6 26 0.391 0.409 Bisei Center 1.3 ACT 379 Japan, Hama 0.25 17 x 13' 2.1" 4 50 0.185 0.187 -matsu-Yuto 1.25 ACT 428 Australia, 0.25 28 x 18' 2.1" 2 7 0.415 0.421 Reeady Creek 1.7 GSC 432 Australia, 0.20 No data 6 30 0.368 0.141 Boambee 1.0 ACT 442 Spain, 0.36 No data 1 3 0.062 0.240 Gualda Observ. f/6 USNO 474 New Zealand, 1.0 No data photo 2 6 0.021 0.089 Mount John 7.7 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 2 59 0.096 0.114 Ondrejov 2.3 USNO 560 Italy, Madon- 0.40 17 x 10' 2.6" 1 3 0.082 0.032 na di Dossob. 2.0 GSC 621 Germany, Ber- 0.60 11 x 10' 1.2" 6 20 0.061 0.096 gisch Gladbach 3.1 USNO 629 Hungary,JATE 0.28 15 x 10' 2.5" 1 3 0.137 0.281 Obs., Szeged 2.0 GSC 639 Germany, 0.35 14 x 11' 2.3" 1 6 0.078 0.088 Dresden 1.5 GSC 649 USA, 0.31 30 x 30' 1.8" 1 4 0.372 0.224 Powell Obs. 3.8 GSC 669 USA, Ojai, 0.18 No data photo 1 3 0.666 0.359 Inst. of Tech. 1.2 PPM 673 USA, Table 0.61 22 x 22' 0.3" 38 189 0.039 0.025 Mountain 9.0 ACT 683 USA, Good- 0.36 20 x 20' 2.5" 31 93 0.549 0.615 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 2304 7686 0.278 0.269 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 4687 20310 0.556 0.502 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 6915 33062 0.529 0.547 Lincoln Lab. 2.2 USNO 808 Argentina, 0.5 60 x 60' 0.8" 8 36 0.722 0.849 Carl.U.Cesco 3.8 USNO 941 Spain, Obs. 0.26 21 x 21' 2.4" 1 4 0.124 0.106 Pla D'Arguin. 1.7 GSC A13 Obs. Naef, 0.3 39 x 26' 1.6 7 22 0.281 0.239 Switzerland 1.2 UCAC A16 Tentlingen, 0.30 39 x 26 1.6 1 7 0.082 0.139 Switzerland 1.2 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 3 13 0.231 0.230 Weinheim, Germ. 1.8 UCAC A30 Rigel Observ., 0.23 14 x 11' 1.9 6 30 0.095 0.129 Italy 1.2 USNO A50 Andrushivka, 0.60 23 x 23' 1.4 142 600 0.343 0.339 Ukraine 4.5 USNO A60 YSTAR-NEOPAT 0.5 108x108' 3 50 150 0.904 0.666 St.,S.Korea 1.0 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 173 628 0.492 0.457 Perdrix,France 1.86 USNO A78 Stia, Italy 0.28 40 x 27' 1.1 1 4 0.364 0.186 2.8 UCAC A81 Balzaretto 0.20 25 x 19' 2.6 3 23 0.070 0.064 Obs., Italy 0.7 USNO A97 Stammersdorf, 0.13 35 x 26' 3.2 1 8 0.192 0.167 Austria 1.0 USNO B09 Capannoli, 0.25 24 x 16' 1.9 1 3 0.046 0.061 Italy 1.6 USNO B15 Inastars Obs., 0.36 No data 7 25 0.144 0.395 Germany USNO B19 Obs., Mataro 0.15 No data 4 30 0.234 0.199 Spain GSC B20 Obs. Carmeli- 0.26 19 x 12' 1.5 1 3 0.061 0.026 ta, Spain 1.3 UCAC B29 L'Ampolla Obs., 0.36 21 x 16' 0.9 1 7 0.149 0.117 Spain 1.4 UCAC B37 Obs. Barcelona, 0.51 No data 5 27 0.345 0.135 Spain 2.0 USNO B38 Santa Mama, 0.30 No data 7 112 0.257 0.273 Italy 3.0 USNO B40 Skylive Obs., 0.41 No data 1 3 0.292 0.104 Catania, Italy 4.1 USNO B42 Vitebsk, 0.3 11 x 8' 0.89 2 23 0.200 0.180 Belarus 1.5 USNO B50 Corner Obs., 0.20 12 x 9' 2.2 2 7 0.663 0.277 Germany 0.9 USNO B61 Sant Cugat 0.25 31 x 21' 1.8 1 3 0.012 0.523 Valles, Spain USNO B67 Stern. Mirast., 0.90 No data 10 33 0.181 0.157 Switzerland. 6.0 USNO B69 Owls and Ravens 0.20 No data 1 3 0.101 0.197 Obs., Germany USNO D25 Tzec Maun 0.15 No data 5 23 0.311 0.132 Obs., USA 1.1 USNO E12 Siding Spring 0.5 No data 8260 35220 0.411 0.391 Surv.,Australia UCAC E85 Farm Cove, 0.35 No data 3 9 0.271 0.144 New Zealand 3.5 UCAC F84 Hibiscus Obs., 0.36 No data 11 33 0.740 0.753 Fr. Polynesia 1.0 UCAC F85 Tiki Obs., 0.41 No data 7 21 0.494 0.499 Fr. Polynesia 3.3 G58 Chabot Sp.and 0.9 No data 1 3 0.131 0.112 Sc. Cen., USA 7.2 USNO G68 Sierra Stars 0.61 20 x 20' 0.8 2 6 0.425 0.387 Obs., USA 6.0 GSC-ACT G69 Thousand Oaks, 0.30 25 x 25' 1.8 5 24 0.264 0.282 U.S.A. 3.0 UCAC G96 Mt. Lemmon 1.5 66 x 66' 1.0 2935 12492 0.272 0.223 Survey, U.S.A. f/2 UCAC H06 New Mexico Ski- 0.25 56 x 37' 2.2 7 21 0.263 0.176 es Obs., Germ. 0.8 UCAC H10 Tzec Maun Obs., var. No data 8 37 0.189 0.275 U.S.A. USNO H45 Petit Jean 0.41 No data 19 214 0.228 0.233 Mount., USA 1.4 UCAC H47 Vicksburg, 0.3 No data 1 3 0.085 0.052 U.S.A. USNO H53 Thompsonville, 0.31 No data 13 196 0.521 0.533 U.S.A. 0.9 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 74 322 0.306 0.298 U.S.A. f/5.8 USNO H67 Stonegate Obs., 0.35 19 x 19' 2 1 37 0.212 0.151 U.S.A. 2.45 USNO H83 Oakton, 0.36 No data 1 3 0.159 0.162 USA USNO J27 El Guijo Obs., 0.20 No data 4 15 0.181 0.176 Madrid, Spain 1.0 USNO J38 La Vara, 0.26 17 x 17' 2 1 3 0.199 0.170 Spain 2.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 3 9 0.276 0.433 Spain 1.0 USNO J47 Obs. Nazaret, 0.20 No data 5 20 0.231 0.666 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 15 66 0.181 0.130 Tenerife,Spain 1.8 USNO J59 Obs. Linceo, 0.25 33 x 25' 2.6 2 6 0.209 0.106 Spain 0.8 UCAC J66 Kinver, 0.41 23 x 23' 1.4 2 10 0.406 0.293 England 3.7 GSC J75 OAM Obs., La 0.35 No data 1587 8700 0.383 0.337 Sagra, Spain f/6 UCAC J87 La Canada, 0.30 16 x 16' 1.4 2 6 0.064 0.082 Spain 1.2 USNO J94 Abbeydale, 0.2 16 x 10' 2 3 9 0.288 0.238 England 2.0 UCAC J95 Great Shefford, 0.30 25 x 25' 1.5 1 3 0.482 0.371 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 July, 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 --------------------------------------------------------------------------------- " " 069 3 22 0.414 0.406 104 Italy, San 0.40 21 x 21' 2.5" 10 92 0.443 0.505 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 61 520 0.356 0.338 Crni vrh 2.4 USNO 198 Germany, 0.24 12 x 9' 2.0 2 10 0.217 0.120 Wildberg 2.4 USNO 379 Japan, Hama 0.25 17 x 13' 2.1" 3 47 0.188 0.264 -matsu-Yuto 1.25 ACT 428 Australia, 0.25 28 x 18' 2.1" 3 13 0.364 0.250 Reeady Creek 1.7 GSC 432 Australia, 0.20 No data 2 18 0.193 0.181 Boambee 1.0 ACT 442 Spain, 0.36 No data 1 4 0.215 0.172 Gualda Observ. f/6 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 1 52 0.198 0.298 Ondrejov 2.3 USNO 669 USA, Ojai, 0.18 No data photo 2 7 0.566 0.722 Inst. of Tech. 1.2 PPM 673 USA, Table 0.61 22 x 22' 0.3" 33 202 0.053 0.039 Mountain 9.0 ACT 689 USA, USNO 1.55 No data 23 84 0.126 0.212 Flagstaff ACT 691 USA, 0.88 390 x 30' 1.1" 192 1305 0.282 0.260 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 336 2718 0.547 0.508 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 567 5377 0.679 0.605 Lincoln Lab. 2.2 USNO 808 Argentina, 0.5 60 x 60' 0.8" 4 24 0.648 0.853 Carl.U.Cesco 3.8 USNO A13 Obs. Naef, 0.3 39 x 26' 1.6 3 17 0.221 0.741 Switzerland 1.2 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 1 7 0.405 0.195 Weinheim, Germ. 1.8 UCAC A50 Andrushivka, 0.60 23 x 23' 1.4 37 224 0.335 0.378 Ukraine 4.5 USNO A55 Osserv. di 0.40 19 x 19' 2.2 1 4 1.061 1.316 Borbona, Italy 1.8 USNO A60 YSTAR-NEOPAT 0.5 108x108' 3 1 4 0.458 0.571 St.,S.Korea 1.0 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 30 207 0.456 0.511 Perdrix,France 1.86 USNO A81 Balzaretto 0.20 25 x 19' 2.6 2 18 0.095 0.171 Obs., Italy 0.7 USNO B19 Obs., Mataro 0.15 No data 3 27 0.293 0.293 Spain GSC B37 Obs. Barcelona, 0.51 No data 1 9 0.127 0.063 Spain 2.0 USNO B38 Santa Mama, 0.30 No data 5 102 0.261 0.312 Italy 3.0 USNO B40 Skylive Obs., 0.41 No data 1 5 0.343 0.281 Catania, Italy 4.1 USNO B42 Vitebsk, 0.3 11 x 8' 0.89 1 15 0.312 0.349 Belarus 1.5 USNO B67 Stern. Mirast., 0.90 No data 1 6 0.452 0.734 Switzerland. 6.0 USNO E12 Siding Spring 0.5 No data 751 5831 0.381 0.371 Surv.,Australia UCAC F85 Tiki Obs., 0.41 No data 2 8 0.194 0.410 Fr. Polynesia 3.3 G69 Thousand Oaks, 0.30 25 x 25' 1.8 3 18 0.313 0.349 U.S.A. 3.0 UCAC G96 Mt. Lemmon 1.5 66 x 66' 1.0 100 942 0.287 0.235 Survey, U.S.A. f/2 UCAC H10 Tzec Maun Obs., var. No data 6 34 0.279 0.233 U.S.A. USNO H45 Petit Jean 0.41 No data 10 169 0.236 0.279 Mount., USA 1.4 UCAC H53 Thompsonville, 0.31 No data 7 163 0.582 0.596 U.S.A. 0.9 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 20 159 0.372 0.322 U.S.A. f/5.8 USNO H67 Stonegate Obs., 0.35 19 x 19' 2 1 37 0.325 0.257 U.S.A. 2.45 USNO J27 El Guijo Obs., 0.20 No data 1 6 0.257 0.203 Madrid, Spain 1.0 USNO J47 Obs. Nazaret, 0.20 No data 1 7 0.132 0.139 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 5 36 0.141 0.133 Tenerife,Spain 1.8 USNO J75 OAM Obs., La 0.35 No data 793 6247 0.371 0.324 Sagra, Spain f/6 UCAC