116 BZ URSAE MAJORIS (UGSU) Range: 10.5-15.7V Position: 08 53 44.18 +57 48 40.8 (J2000, from .dat file) Magnitude: V=15.711 B-V=0.073 (in .dat file) ID RA (2000) DEC X Y N V ERR B-V ERR a) Comparison star sequence 1 08 54 26.2 +57 53 02 335 261 3 9.937 0.049 0.292 0.026 2 08 53 22.3 +57 47 45 -175 -56 3 12.026 0.005 0.494 0.012 3 08 53 27.1 +57 44 03 -137 -278 3 13.131 0.043 0.443 0.019 4 08 53 30.4 +57 48 20 -110 -21 3 13.721 0.005 1.022 0.010 5 08 53 37.3 +57 46 44 -55 -117 3 14.049 0.008 0.606 0.005 6 08 53 43.9 +57 50 36 -2 114 3 14.753 0.006 0.849 0.009 7 08 54 25.0 +57 45 52 326 -169 3 15.280 0.006 0.707 0.003 8 08 53 41.7 +57 47 08 -20 -93 3 15.640 0.009 0.659 0.017 9 08 54 04.0 +57 46 07 159 -154 3 15.913 0.016 0.597 0.013 10 08 53 33.4 +57 48 08 -87 -33 3 16.349 0.013 1.081 0.019 11 08 53 42.3 +57 51 38 -15 177 3 16.965 0.014 0.680 0.027 b) Wide-colour extension for CCD calibration 08 54 24.5 +57 53 02 321 261 2 17.361 0.055 0.125 0.180 08 53 37.2 +57 46 18 -56 -143 3 17.387 0.021 1.471 0.157 08 54 37.5 +57 48 45 426 4 2 13.240 0.026 1.472 0.035 Notes: The AAVSO preliminary 'e' chart, dated 2/1996, has a CCD(V) sequence based on measures by K. Misselt (PASP,108,1996), except 11.7 and 12.6 which is Pv. The four Misselt (PASP,108,1996) stars in common to both sequences are also shown to full accuracy. ID Henden AAVSO Misselt 2 12.026 11.7 3 13.131 12.6 4 13.721 13.8 13.768 5 14.049 14.1 14.105 6 14.753 14.8 14.812 8 15.640 15.6 15.706 Bruce Sumner Revised 6 June 1999