ID:  SDSSp J163722.21-001957.1
Position:  16 37 22.25 -00 20 01.2 (J2000, from .dat file)
Magnitude:  V=18.906  B-V=+0.265 (in .dat file)
Sequence:  CCD(V) A. Henden & M. Simonsen

a) Comparison star sequence

ID   RA            DEC         N    V      ERR    B-V     ERR

1    16 37 49.76  -00 22 18.7  1  12.074  0.000  +0.691  0.001
2    16 37 42.28  -00 15 31.0  2  12.651  0.006  +0.627  0.011
3    16 37 42.71  -00 19 19.5  2  13.701  0.014  +0.514  0.013
4    16 37 30.00  -00 17 56.6  2  14.174  0.014  +0.760  0.016
5    16 37 44.05  -00 20 48.3  2  14.517  0.016  +0.679  0.017
6    16 37 12.00  -00 18 40.0  2  14.768  0.017  +0.640  0.027
7    16 37 23.13  -00 19 15.4  2  14.957  0.010  +0.511  0.016
8    16 37 39.78  -00 17 48.2  2  15.342  0.045  +0.737  0.022
9    16 37 32.90  -00 20 26.0  2  15.922  0.006  +0.524  0.054
10   16 37 45.52  -00 17 56.5  2  16.585  0.014  +0.775  0.019
11   16 37 32.94  -00 19 41.4  2  17.101  0.017  +0.972  0.008

Notes:

a)  The star labeled 153 looks oval in the DSS1 image suggesting that it might be a double star.

b)  Note that labeled comparison stars above magnitude 13.5 may be in error due to camera saturation.  Consider these stars suspect until further photometry can be done.

Vance Petriew
Revised 29 October 2002