262  RXS J105010.3-40431 (HYA)  (UG)   Range: ?-17.6V
     Position:   10 50 10.80  -14 04 36.5 (J2000, from .dat file)
     Magnitude:  V=17.136  B-V=0.116      (in .dat file)

ID     RA  (2000)   DEC       X    Y   N    V      ERR     B-V    ERR 

a) Comparison star sequence

1    10 50 15.7  -14 04 52    72  -16  3  13.786  0.006   0.641  0.005   
2    10 50 13.7  -14 00 15    43  261  3  14.353  0.014   0.674  0.021   
3    10 49 52.2  -14 03 48  -271   48  3  14.733  0.009   0.978  0.010   
4    10 50 25.0  -14 02 37   206  119  3  14.907  0.005   0.751  0.007   
5    10 50 29.3  -14 05 15   269  -39  3  15.322  0.011   0.675  0.013   
6    10 50 08.8  -14 08 52   -30 -256  3  15.688  0.009   0.614  0.003   
7    10 50 13.2  -14 02 17    35  139  3  16.192  0.026   0.516  0.015   
8    10 50 06.6  -14 03 48   -61   48  3  16.922  0.031   0.566  0.021   
9    10 50 17.1  -14 05 42    91  -66  2  17.576  0.000   0.956  0.016   
10   10 50 09.4  -14 04 30   -21    6  2  18.027  0.034   1.275  0.040   
          

b) Wide-colour extension for CCD calibration

     10 50 16.9  -14 01 53    89  163  3  15.423  0.000   1.303  0.022   
     10 50 12.1  -14 08 18    19 -222  3  16.331  0.006   1.520  0.015   


Notes:

1. There are two bright stars in this field, one at 10h 49m 55.7s 
-14d 01' 18" with an accurate Tycho-2 magnitude of V=8.42+/-0.01 
and another at 10h 49m 46.1s -14d 11' 42" with an accurate Tycho-2 
magnitude of V=9.60+/-0.03.


Bruce Sumner
3 March 2002