146  V1195 OPHIUCHI   (UGSU)   Range: 15.5-20.5V
     Position:   17 00 21.67  -20 53 33.9 (J2000, Henden, 1999)
     Magnitude:  V=20.471  B-V=0.330      (Henden, 1999)

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

a) Comparison star sequence

1    17 00 03.0  -20 55 44  -263 -130  3  11.385  0.081   0.554  0.044   
2    17 00 30.9  -20 50 33   129  181  3  12.584  0.023   1.512  0.031   
3    17 00 31.3  -20 55 32   134 -118  3  13.122  0.017   1.008  0.043   
4    17 00 41.0  -20 52 33   270   61  3  13.378  0.022   0.806  0.042   
5    17 00 07.9  -20 52 45  -194   49  3  13.719  0.020   0.840  0.045   
6    17 00 15.6  -20 51 33   -85  121  3  14.089  0.023   0.760  0.034   
7    17 00 29.9  -20 52 04   115   90  3  14.524  0.024   1.695  0.029   
8    17 00 23.2  -20 53 59    21  -25  3  14.916  0.025   1.259  0.028   
9    17 00 29.6  -20 53 48   111  -14  3  15.093  0.028   1.073  0.033   
10   17 00 23.4  -20 53 09    23   25  3  15.443  0.019   1.026  0.027   
11   17 00 25.7  -20 54 18    56  -44  3  16.213  0.021   0.850  0.041   
12   17 00 22.2  -20 53 21     8   13  3  17.074  0.000   0.923  0.073   
13   17 00 20.0  -20 53 35   -24   -1  3  17.841  0.047   0.921  0.043   
14   17 00 20.4  -20 54 27   -18  -53  3  19.029  0.122   0.964  0.134   


b) Wide-colour extension for CCD calibration
  
     17 00 44.9  -20 55 25   325 -111  3  13.304  0.029   0.264  0.036   
     17 00 43.4  -20 47 10   304  384  3  15.881  0.026   0.316  0.049   
     17 00 43.9  -20 56 07   311 -153  3  14.438  0.023   1.643  0.032   
     17 00 30.3  -20 49 02   121  272  3  13.341  0.018   2.040  0.044  


Notes:

1. Found to be a new SU UMa-type dwarf nova when superhumps with a 
period of 0.068 were detected in June 1998 (Kemp 1998, vsnet-chat 3087). 

2. At minimum the variable is about V=20.5, found by co-adding several 
deep images.


Bruce Sumner
27 June 1999