O-C for observatory with code - A92.
November , 2009
----------------------Compressed Ephemeris DE200/LE200    --------------
   MP   Obs   Dynamical Time        RA    (O-C)cosDEC     DEC     (O-C)
                                 h  m  s       "          '  "      "
L7807   A92  2009 11 20.839703  4 08 06.388   0.09  +44 31 17.93   0.14
L7807   A92  2009 11 20.843383  4 08 06.744   0.10  +44 31 37.21  -0.07
L7807   A92  2009 11 20.848973  4 08 07.329   0.57  +44 32 07.24   0.39
L7807   A92  2009 11 20.853513  4 08 07.796   0.87  +44 32 31.35   0.49
L7807   A92  2009 11 20.855433  4 08 07.944   0.47  +44 32 41.10   0.10
Mean of last  5 obs.                          0.42                 0.21
                                          +/- 0.15             +/- 0.10
   Internal error of single observation       0.33                 0.23
Copyright by Izmailov I. S., Bykov O. P., Kastel G. R.
Calculated by Epos software.