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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 June, 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" 1 3 0.282 0.567 Uccle 2.1 GSC 056 Slovakia, 0.6 18 x 12' 0.7" 1 3 0.106 0.096 Skalnat. Pleso 2.6 USNO 095 Ukraine, 0.64 53 x 35' 2.1" 1 16 0.184 0.351 CrAO 0.9 USNO 104 Italy, San 0.40 21 x 21' 2.5" 25 75 0.508 0.530 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 70 284 0.333 0.367 Crni vrh 2.4 USNO 118 Slovakia, 0.57 14 x 10' 1.7" 2 20 0.059 0.050 Modra 3.3 USNO 151 Switzerland, 0.25 24 x 16' 0.9" 2 6 0.276 0.321 Eschenberg 2.0 USNO 169 Italy, 0.25 19 x 12' 1.3" 4 14 0.259 0.228 Rosignano 1.2 GSC 185 Switzerland, 0.61 23 x 15' 0.9" 17 73 0.442 0.449 jur.-Vicques 2.1 USNO 198 Germany, 0.24 12 x 9' 2.0 3 12 0.059 0.173 Wildberg 2.4 USNO 247 Australia, 0.80 No data 2 7 0.392 0.313 Roving Obs. 3.5 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 252 897 0.240 0.199 Spacewatch II 4.7 USNO 379 Japan, Hama 0.25 17 x 13' 2.1" 5 32 0.211 0.159 -matsu-Yuto 1.25 ACT 428 Australia, 0.25 28 x 18' 2.1" 2 6 0.238 0.227 Reeady Creek 1.7 GSC 432 Australia, 0.20 No data 3 12 0.197 0.137 Boambee 1.0 ACT 448 USA, Desert 0.30 21 x 21' 2.4" 9 32 0.312 0.297 Moon Observat. 2.0 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 2 42 0.112 0.102 Ondrejov 2.3 USNO 585 Kiev comet sta- 0.70 No data 1 7 1.107 0.664 tion, Ukraine 2.8 USNO 621 Germany, Ber- 0.60 11 x 10' 1.2" 4 25 0.227 0.283 gisch Gladbach 3.1 USNO 673 USA, Table 0.61 22 x 22' 0.3" 42 205 0.030 0.027 Mountain 9.0 ACT 683 USA, Good- 0.36 20 x 20' 2.5" 23 69 0.647 0.781 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 5477 27356 0.302 0.310 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 5145 21928 0.562 0.524 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 5305 24747 0.536 0.550 Lincoln Lab. 2.2 USNO 715 USA, 0.30 23 x 15' 1.8" 1 3 0.111 0.066 Las Cruces 1.0 USNO 735 USA, 0.46 No data 12 43 0.323 0.267 George Obs. USNO 807 USA, Cerro 4.0 37 x 37' 0.3" 1 4 0.074 0.087 Tololo 14.4 USNO 808 Argentina, 0.5 60 x 60' 0.8" 7 33 0.368 0.455 Carl.U.Cesco 3.8 USNO 842 USA, Gettys- 0.40 18 x 18' 1.1" 2 13 0.100 0.120 burg College 4.4 USNO 844 Uruguay, 0.35 28 x 28' 3.3" 4 20 0.229 0.154 Los Molinos 2.2 GSC 939 Spain, 0.20 15 x 11' 2.8" 1 3 0.062 0.114 Obs. Rodeno 2.0 USNO 941 Spain, Obs. 0.26 21 x 21' 2.4" 2 6 0.179 0.255 Pla D'Arguin. 1.7 GSC 945 Spain, 0.36 11 x 7' 1.6" 1 3 0.395 0.260 Monte Deva 2.3 USNO A06 Mataro, 0.25 No data 2 6 0.103 0.032 Spain 1.6 UCAC A13 Obs. Naef, 0.3 39 x 26' 1.6 13 39 0.747 0.346 Switzerland 1.2 UCAC A16 Tentlingen, 0.30 39 x 26 1.6 2 8 0.295 0.433 Switzerland 1.2 UCAC A17 Guidestar Obs., 0.20 22 x 15' 1.8 4 12 0.116 0.127 Weinheim, Germ. 1.8 UCAC A50 Andrushivka, 0.60 23 x 23' 1.4 29 98 0.382 0.373 Ukraine 4.5 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 1 3 0.335 0.644 Perdrix,France 1.86 USNO A81 Balzaretto 0.20 25 x 19' 2.6 2 22 0.152 0.065 Obs., Italy 0.7 USNO B03 Alter Satz- 0.35 30 x 20' 1.8 3 9 0.219 0.375 berg, Austria 2.6 USNO B06 Montseny Astr. 0.18 No data 1 6 0.853 0.710 Obs., Spain 1.1 USNO B09 Capannoli, 0.25 24 x 16' 1.9 2 6 0.089 0.200 Italy 1.6 USNO B15 Inastars Obs., 0.36 No data 4 17 0.177 0.146 Germany USNO B19 Obs., Mataro 0.15 No data 8 54 0.440 0.374 Spain GSC B20 Obs. Carmeli- 0.26 19 x 12' 1.5 1 3 0.080 0.154 ta, Spain 1.3 UCAC B37 Obs. Barcelona, 0.51 No data 13 101 0.463 0.364 Spain 2.0 USNO B50 Corner Obs., 0.20 12 x 9' 2.2 1 3 0.324 0.125 Germany 0.9 USNO B67 Stern. Mirast., 0.90 No data 3 9 0.423 0.378 Switzerland. 6.0 USNO B69 Owls and Ravens 0.20 No data 2 9 0.190 0.141 Obs., Germany USNO E12 Siding Spring 0.5 No data 6542 28775 0.387 0.380 Surv.,Australia UCAC E85 Farm Cove, 0.35 No data 2 6 0.070 0.101 New Zealand 3.5 UCAC F65 Haleakala- 2.0 5 x 5' 0.2 1 3 0.125 0.185 Faulkes, Wales 20.0 USNO F85 Tiki Obs., 0.41 No data 32 96 0.252 0.317 Fr. Polynesia 3.3 G60 Carroll Obs., 0.60 No data 4 18 0.070 0.051 USA 4.8 ACT G68 Sierra Stars 0.61 20 x 20' 0.8 7 21 0.242 0.372 Obs., USA 6.0 GSC-ACT G69 Thousand Oaks, 0.30 25 x 25' 1.8 7 75 0.197 0.162 U.S.A. 3.0 UCAC G87 Calvin M. Hoo- 0.25 No data 1 3 0.079 0.404 per Obs., USA 1.6 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 5213 21559 0.271 0.207 Survey, U.S.A. f/2 UCAC G98 Calvin-Rehob. 0.41 22 x 14' 0.6 5 37 0.357 0.524 Obs., U.S.A. 3.4 USNO H06 New Mexico Ski- 0.25 56 x 37' 2.2 42 130 0.222 0.261 es Obs., Germ. 0.8 UCAC H07 7300 Observ., 0.45 No data 111 619 0.296 0.272 Canada f/3 GSC-ACT H45 Petit Jean 0.41 No data 14 165 0.195 0.161 Mount., USA 1.4 UCAC H53 Thompsonville, 0.31 No data 8 72 0.852 0.390 U.S.A. 0.9 UCAC H55 Antares Obs. 0.40 21 x 21' 2.4 14 43 0.297 0.284 U.S.A. f/5.8 USNO H56 Northbrook 0.25 No data 1.2 2 9 0.465 0.149 Meadow Obs.,USA 1.5 GSC I07 Conlin Hill 0.25 No data 3 15 0.307 0.233 Obs., U.S.A. 2.5 J24 Obs. Altamira 0.4 No data 2 6 0.155 0.158 Spain 4.0 USNO J27 El Guijo Obs., 0.20 No data 4 24 0.396 0.226 Madrid, Spain 1.0 USNO J28 Ja\'en, No data 2 6 0.452 0.165 Spain UCAC J38 La Vara, 0.26 17 x 17' 2 1 3 0.025 0.026 Spain 2.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 7 31 0.245 0.284 Spain 1.0 USNO J42 Puzol, 0.20 21 x 14' 1.7 1 6 0.170 0.130 Spain 1.6 USNO J45 Obs. Montana, 0.15 27 x 22' 2.3 1 3 0.230 0.769 Spain 2.0 USNO J47 Obs. Nazaret, 0.20 No data 10 32 0.347 0.284 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 16 72 0.109 0.161 Tenerife,Spain 1.8 USNO J59 Obs. Linceo, 0.25 33 x 25' 2.6 2 6 0.379 0.127 Spain 0.8 UCAC J77 Golden Hill 0.28 11 x 8' 1.0 1 15 0.044 0.049 Obs., England 2.8 USNO J93 Mount Tuffley 0.25 21 x 16' 1.7 8 49 0.805 0.619 Obs., England 1.4 USNO J95 Great Shefford, 0.30 25 x 25' 1.5 6 25 0.346 0.222 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 June, 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 --------------------------------------------------------------------------------- " " 118 Slovakia, 0.57 14 x 10' 1.7" 2 20 0.083 0.135 Modra 3.3 USNO 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 38 243 0.266 0.181 Spacewatch II 4.7 USNO 432 Australia, 0.20 No data 1 6 0.224 0.191 Boambee 1.0 ACT 448 USA, Desert 0.30 21 x 21' 2.4" 1 8 0.335 0.235 Moon Observat. 2.0 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 2 42 0.266 0.178 Ondrejov 2.3 USNO 585 Kiev comet sta- 0.70 No data 1 7 1.218 0.938 tion, Ukraine 2.8 USNO 621 Germany, Ber- 0.60 11 x 10' 1.2" 3 21 0.242 0.293 gisch Gladbach 3.1 USNO 673 USA, Table 0.61 22 x 22' 0.3" 38 284 0.049 0.042 Mountain 9.0 ACT 689 USA, USNO 1.55 No data 97 453 0.181 0.204 Flagstaff ACT 691 USA, 0.88 390 x 30' 1.1" 2235 17537 0.304 0.308 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 326 2671 0.584 0.513 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 292 2630 0.648 0.580 Lincoln Lab. 2.2 USNO 735 USA, 0.46 No data 1 8 0.543 0.242 George Obs. USNO 807 USA, Cerro 4.0 37 x 37' 0.3" 1 3 0.272 0.127 Tololo 14.4 USNO 808 Argentina, 0.5 60 x 60' 0.8" 4 26 0.560 0.378 Carl.U.Cesco 3.8 USNO 842 USA, Gettys- 0.40 18 x 18' 1.1" 1 10 0.100 0.097 burg College 4.4 USNO A13 Obs. Naef, 0.3 39 x 26' 1.6 1 5 1.768 0.477 Switzerland 1.2 UCAC A81 Balzaretto 0.20 25 x 19' 2.6 2 22 0.203 0.063 Obs., Italy 0.7 USNO B19 Obs., Mataro 0.15 No data 6 50 0.423 0.397 Spain GSC B37 Obs. Barcelona, 0.51 No data 5 61 0.395 0.363 Spain 2.0 USNO B69 Owls and Ravens 0.20 No data 2 11 0.178 0.131 Obs., Germany USNO E12 Siding Spring 0.5 No data 876 6732 0.344 0.350 Surv.,Australia UCAC F85 Tiki Obs., 0.41 No data 5 23 0.373 0.321 Fr. Polynesia 3.3 G60 Carroll Obs., 0.60 No data 2 12 0.235 0.139 USA 4.8 ACT G69 Thousand Oaks, 0.30 25 x 25' 1.8 6 85 0.216 0.178 U.S.A. 3.0 UCAC G87 Calvin M. Hoo- 0.25 No data 1 5 0.077 0.297 per Obs., USA 1.6 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 119 1003 0.323 0.274 Survey, U.S.A. f/2 UCAC G98 Calvin-Rehob. 0.41 22 x 14' 0.6 1 18 0.430 0.430 Obs., U.S.A. 3.4 USNO H06 New Mexico Ski- 0.25 56 x 37' 2.2 1 7 0.187 0.091 es Obs., Germ. 0.8 UCAC H07 7300 Observ., 0.45 No data 19 172 0.377 0.296 Canada f/3 GSC-ACT H45 Petit Jean 0.41 No data 8 135 0.201 0.226 Mount., USA 1.4 UCAC H53 Thompsonville, 0.31 No data 3 42 0.898 0.336 U.S.A. 0.9 UCAC H56 Northbrook 0.25 No data 1.2 2 11 0.370 0.125 Meadow Obs.,USA 1.5 GSC I32 Obs. Beta Orio- 0.25 No data 3 12 0.132 0.205 nis 2.5 UCAC J22 Tacande Obs., 0.40 No data 3 18 0.391 0.323 La Palma,Spain 2.6 USNO J27 El Guijo Obs., 0.20 No data 1 15 0.394 0.278 Madrid, Spain 1.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 1 10 0.372 0.722 Spain 1.0 USNO J47 Obs. Nazaret, 0.20 No data 1 5 0.424 0.247 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 6 42 0.161 0.199 Tenerife,Spain 1.8 USNO J93 Mount Tuffley 0.25 21 x 16' 1.7 5 40 0.919 0.600 Obs., England 1.4 USNO J95 Great Shefford, 0.30 25 x 25' 1.5 1 4 0.214 0.386 England 1.9 USNO