ABSOLUTE PHOTOMETRY CALIBRATION STARS: C1: 14.10 RED J190223+003222  UT DATE MAG +/- ---------------------------------------- 06/08/2012 21:57:12 15.782 0.080 26/08/2012 20:52:45 16.881 0.070 16/09/2012 21:11:30 16.707 0.061 09/10/2012 19:37:40 16.131 0.095 29/07/2013 21:33:06 14.603 0.049 30/07/2013 21:41:56 14.572 0.042 Observer: Diego Rodriguez- Guadarrama Observatory FotoDif 3.86