21 May 2013, 04:17:37 (UT) P=-19.11, B0=-1.95, L0=278.5, radius=949.7" obs radius = 848.6 (pixel), RMS=119.3 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S29.53 W52.88, 0.541, 172.81, 159.56, 7704 2: S18.83 E47.03, 0.655, 5.74, 4.38, 126 3: S18.68 E49.24, 0.628, 9.72, 7.72, 243 4: N13.03 W55.73, 0.540, 164.41, 152.07, 5856 5: S19.13 E64.44, 0.418, 0.88, 1.05, 15 6: N9.420 W16.19, 0.941, 10.16, 5.40, 253 7: N9.705 W15.01, 0.945, 37.12, 19.62, 1166 8: N13.16 W22.22, 0.893, 100.77, 56.41, 4755 9: N11.44 W14.56, 0.941, 12.81, 6.80, 275 10: N12.26 W14.29, 0.939, 38.45, 20.47, 1060 11: N13.72 W16.73, 0.921, 5.30, 2.87, 123 12: N3.981 E59.27, 0.506, 6.18, 6.10, 121 13: N6.163 E55.03, 0.565, 7.51, 6.64, 185 14: N5.041 E63.81, 0.436, 10.60, 12.15, 254 15: N11.82 E75.12, 0.244, 35.35, 72.42, 902 Umbra only 16: S29.53 W52.93, 0.540, 21.21, 19.61, 2044 17: N13.08 W22.35, 0.892, 8.83, 4.95, 789 18: N13.25 W21.74, 0.895, 0.88, 0.49, 72 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 428.71 360.99 14950 South 189.16 172.73 8088 Whole 617.88 533.72 23038 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 4 13 53 South 3 5 35 Whole 7 18 88 ------------------------------------------ Center -1 -1 -11 Seeing 2