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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, 2009
--------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------- " " 071 Bulgaria, 0.50 28 x 18' 1.1" 1 3 0.211 0.260 National Obs. 1.7 GSC 084 Pulkovo Obs., 0.33 15 x 15' 1.0" 7 34 0.179 0.307 Normal Asgr. 3.0 UCAC 118 Slovakia, 0.57 14 x 10' 1.7" 3 12 0.090 0.145 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 3 15 0.151 0.087 Bornheim 0.8 GSC 168 34 200 0.282 0.315 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 1 5 0.143 0.144 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 7 36 0.420 0.447 Bisei Center 1.3 ACT 461 Hungary, JATE 0.60 28 x 19' 1.1" 6 22 0.124 0.153 Asteroid Surv. 1.8 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 2 9 0.433 0.337 Ondrejov 2.3 USNO 568 USA, 2.24 18 x 18' 0.4" 1 3 0.050 0.115 Mauna Kea 22.0 USNO 628 Germany, 0.20 18 x 12' 2.4" 1 3 0.031 0.055 Mulheim-Ruhr 1.2 GSC 691 USA, 0.88 390 x 30' 1.1" 21 77 1.544 1.198 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 27 153 1.395 1.190 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 1841 7731 0.806 0.777 Lincoln Lab. 2.2 USNO 834 Argentina, 0.25 No data 1 4 0.043 0.215 AAAA 1.6 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 1 3 0.987 0.069 Perdrix,France 1.86 USNO B03 Alter Satz- 0.35 30 x 20' 1.8 1 3 0.099 0.055 berg, Austria 2.6 USNO B19 Obs., Mataro 0.15 No data 6 24 0.234 0.172 Spain GSC B37 Obs. Barcelona, 0.51 No data 3 12 0.569 0.614 Spain 2.0 USNO C11 4 19 0.375 0.343 C12 2 12 0.168 0.096 C20 5 16 0.231 0.179 D29 Purple Mount., 1.04 120 x 120' 1.7 211 924 0.346 0.337 China 1.8 UCAC E12 Siding Spring 0.5 No data 3 11 0.091 0.067 Surv.,Australia UCAC F84 Hibiscus Obs., 0.36 No data 13 42 0.261 0.377 Fr. Polynesia 1.0 UCAC F85 Tiki Obs., 0.41 No data 5 18 0.352 0.196 Fr. Polynesia 3.3 G84 Mount Lemmon 0.6 No data 1 4 0.094 0.029 SkyCenter,USA 4.7 USNO G92 Jarnac Obser. 0.35 No data 1 3 1.624 2.383 U.S.A. f/2 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 14 85 1.323 0.903 Survey, U.S.A. f/2 UCAC H10 Tzec Maun Obs., var. No data 1 4 0.679 0.472 U.S.A. USNO H21 2 6 0.088 0.158 H28 Preston Hills 0.28 No data 1 4 0.331 0.454 Obs., USA 2.8 GSC H47 Vicksburg, 0.3 No data 2 7 0.295 0.239 U.S.A. USNO H60 Shadowbox Obs., 0.30 No data 1 3 0.049 0.080 USA 3.0 UCAC I13 Washington 0.25 17 x 17' 2 29 111 0.496 0.427 DC, U.S.A. 5.0 UCAC J75 OAM Obs., La 0.35 No data 5 27 0.550 0.725 Sagra, Spain f/6 UCAC

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, 2009
--------------------------------------------------------------------------------- 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" 13 103 0.243 0.268 Normal Asgr. 3.0 UCAC 127 Germany, 0.19 30 x 20' 2.4" 1 9 0.120 0.115 Bornheim 0.8 GSC 168 22 126 0.248 0.279 704 USA, 1.0 94 x 72' 2.2" 132 917 0.885 0.801 Lincoln Lab. 2.2 USNO B19 Obs., Mataro 0.15 No data 2 12 0.252 0.221 Spain GSC B37 Obs. Barcelona, 0.51 No data 1 6 0.566 0.458 Spain 2.0 USNO C12 2 12 0.509 0.342 C20 32 264 0.258 0.281 F84 Hibiscus Obs., 0.36 No data 1 6 0.097 0.266 Fr. Polynesia 1.0 UCAC F85 Tiki Obs., 0.41 No data 2 11 0.250 0.187 Fr. Polynesia 3.3 I13 Washington 0.25 17 x 17' 2 12 64 0.475 0.412 DC, U.S.A. 5.0 UCAC