O-C for observatory with code - B23.
November , 2009
----------------------Compressed Ephemeris DE200/LE200    --------------
   MP   Obs   Dynamical Time        RA    (O-C)cosDEC     DEC     (O-C)
                                 h  m  s       "          '  "      "
16834   B23  2009 11 11.792613 22 59 13.225  -0.30  +18 45 57.58  -0.76
16834   B23  2009 11 11.795303 22 59 13.341  -0.36  +18 45 55.38  -0.65
16834   B23  2009 11 11.797883 22 59 13.477  -0.08  +18 45 53.48  -0.33
Mean of last  3 obs.                         -0.25                -0.58
                                          +/- 0.09             +/- 0.13
   Internal error of single observation       0.15                 0.22