18 Dec 2011, 02:36:15 (UT) P=+8.963, B0=-1.24, L0=300.7, radius=976.8" obs radius = 870.1 (pixel), RMS=121.9 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S20.00 E69.84, 0.331, 8.61, 26.03, 381 2: S19.43 E69.08, 0.343, 0.63, 1.83, 23 3: S29.85 W20.97, 0.820, 2.73, 3.33, 114 4: S29.92 W24.59, 0.798, 0.84, 1.05, 33 5: S29.02 W20.34, 0.830, 1.47, 1.77, 67 6: S18.62 E36.46, 0.768, 4.20, 5.46, 179 7: S18.43 E34.82, 0.785, 41.83, 53.26, 3736 8: S17.00 E35.82, 0.781, 22.07, 28.24, 1635 9: S18.92 W51.57, 0.594, 84.93, 142.80, 7428 10: N11.68 E5.356, 0.970, 7.14, 7.36, 338 11: N12.06 E6.015, 0.967, 0.84, 0.86, 34 12: N12.30 W2.010, 0.971, 40.15, 41.32, 3533 13: N7.804 W57.84, 0.524, 6.51, 12.43, 310 14: N19.56 W7.428, 0.926, 8.61, 9.29, 441 15: N20.04 W6.105, 0.926, 16.81, 18.15, 1439 Umbra only 16: S18.50 E34.75, 0.785, 3.36, 4.28, 641 17: S19.02 W51.55, 0.594, 7.56, 12.72, 1494 18: N12.35 W2.092, 0.971, 2.94, 3.03, 568 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 80.09 89.44 6095 South 167.34 263.80 13596 Whole 247.44 353.25 19691 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 3 7 37 South 4 11 51 Whole 7 18 88 ------------------------------------------ Center 2 6 26 Seeing 2