groupProj. UProj. WSCorr. UCorr. WS BLLCMPos. angler MU MP

11998 35.71 149.11 17.86 74.56 -9.94 358.34 6.30 240.70 0.1377 588.0 413.3


previous   or   next   observation for the same group / back to the solar disc

SDO HMI 2014-03-11 16:00:29 UT

No observation available
See sunspots with tool (Click here to study sunspot positions and configurations with tool using white-light and magnetogram images and polarity drawing)
(It is recommended to set high resolution on your display!)


spotProj. UProj. WSCorr. UCorr. WSBLLCMPos. angler MU MP

1 0.00 1.13 0.00 0.57 -13.08 0.52 8.47 234.21 0.1778 856.0 750.5
2 0.00 2.17 0.00 1.08 -6.14 0.17 8.13 277.11 0.1423 1074.0 881.5
3 16.38 62.67 8.20 31.39 -9.92 0.12 8.08 250.72 0.1473 1374.1 518.7
4 0.00 3.90 0.00 1.95 -8.28 360.00 7.95 261.75 0.1390 1067.0 894.2
5 0.00 3.64 0.00 1.82 -7.98 359.99 7.95 263.89 0.1383 1189.0 979.6
6 0.00 3.12 0.00 1.56 -7.51 359.98 7.94 267.35 0.1377 902.0 733.8
7 0.00 1.91 0.00 0.95 -6.26 359.93 7.89 276.47 0.1379 769.0 697.2
8 0.00 1.82 0.00 0.91 -7.66 359.71 7.67 266.13 0.1331 1047.0 919.6
9 18.29 21.85 9.14 10.92 -9.33 359.59 7.55 253.65 0.1357 1159.7 730.6
10 0.00 1.21 0.00 0.61 -7.51 359.56 7.51 267.20 0.1304 871.0 698.9
11 0.00 2.25 0.00 1.13 -7.67 359.38 7.33 265.96 0.1274 986.0 857.2
12 0.00 1.30 0.00 0.65 -7.04 359.13 7.08 270.93 0.1230 942.0 729.4
13 0.00 3.99 0.00 1.99 -7.55 359.10 7.06 266.78 0.1226 1029.0 956.0
14 0.00 1.30 0.00 0.65 -14.21 358.95 6.90 223.52 0.1700 800.0 709.9
15 1.04 2.51 0.52 1.25 -8.51 358.73 6.68 258.48 0.1180 1064.2 899.6
16 0.00 1.13 0.00 0.56 -8.43 358.27 6.23 258.47 0.1100 987.0 764.5
17 0.00 4.25 0.00 2.12 -8.22 358.24 6.19 260.30 0.1088 849.0 705.3
18 0.00 2.17 0.00 1.08 -6.40 358.00 5.96 277.42 0.1045 830.0 687.1
19 0.00 0.95 0.00 0.47 -6.58 358.01 5.96 275.71 0.1042 965.0 735.5
20 0.00 1.91 0.00 0.95 -13.64 356.53 4.49 214.10 0.1362 881.0 599.7
21 0.00 1.30 0.00 0.65 -13.34 356.25 4.20 213.68 0.1292 878.0 784.0
22 0.00 0.78 0.00 0.39 -11.63 356.22 4.18 222.67 0.1058 921.0 715.9
23 0.00 1.04 0.00 0.52 -14.27 355.56 3.51 205.74 0.1373 779.0 533.4
24 0.00 1.56 0.00 0.78 -15.84 355.36 3.32 200.35 0.1609 -820.0 -639.7
25 0.00 0.78 0.00 0.39 -13.94 355.21 3.17 204.56 0.1297 1060.0 873.1
26 0.00 1.82 0.00 0.91 -15.69 354.50 2.45 195.59 0.1539 -950.0 -785.3
27 0.00 1.82 0.00 0.91 -15.96 354.22 2.17 193.48 0.1572 -972.0 -761.6
28 0.00 1.04 0.00 0.52 -13.56 352.12 0.07 180.62 0.1111 -981.0 -743.2
29 0.00 0.87 0.00 0.43 -15.53 349.86 -2.19 165.76 0.1501 -733.0 -623.5
30 0.00 2.60 0.00 1.29 -9.13 349.59 -2.46 128.48 0.0543 -875.0 -717.4
31 0.00 1.56 0.00 0.78 -15.83 349.48 -2.56 164.01 0.1568 -900.0 -721.7
32 0.00 1.39 0.00 0.69 -9.49 349.52 -2.52 132.60 0.0592 -931.0 -849.1
33 0.00 1.21 0.00 0.61 -13.43 349.27 -2.78 156.52 0.1188 -753.0 -633.2
34 0.00 1.65 0.00 0.83 -16.07 348.46 -3.59 158.68 0.1662 -922.0 -764.4
35 0.00 1.04 0.00 0.52 -12.93 347.01 -5.03 139.48 0.1323 -883.0 -674.9
36 0.00 1.82 0.00 0.91 -13.34 346.30 -5.75 137.76 0.1457 -977.0 -793.9
37 0.00 1.65 0.00 0.82 -10.25 345.57 -6.47 115.89 0.1239 -910.0 -715.6


  • Proj. U -  Projected umbra area in millionths of solar disc, negative values indicate
    that the umbra consists of fragmented regions which cannot be separated without losing umbral area.
    In this way several spots (intensity minima in the umbra) have a common umbra, e.g. -2 means that
    the given spot shares an umbra with spot No.2, and the common U value is indicated at spot No.2.
  • Proj. WS -  Projected whole spot area in millionths of solar disc, negative values indicate
    that several umbras have a common penumbra, e.g. -7 means that the given umbra shares
    a penumbra with umbra No.7, and the WS value is indicated at No.7.
  • Corr. U -  Corrected umbra area in millionths of solar hemisphere, for negative values see above
  • Corr. WS -  Corrected whole spot area in millionths of solar hemisphere, for negative values see above
  • B -  Heliographic latitude B; positive: North, negative: South
  • L -  Heliographic longitude L
  • LCM -  Longitudinal distance from the Sun's central meridian
  • Pos. angle -  Position angle
  • r -  Distance from the centre of Sun's disc in terms of Sun's radius
  • MU -  Mean magnetic field within the umbra contour averaged the pixel values with sign.
  • MP -  Mean magnetic field within the penumbra contour averaged the pixel values with sign.