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

9240 72 473 66 427 9.91 298.12 -56.49 79.20 0.8379 1012.5 320.1


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

SOHO MDI 2000-11-24 06:23:32 UT

No observation available


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

1 0 4 0 3 8.26 303.31 -51.31 80.72 0.7850 270.0 371.0
2 0 22 0 17 8.92 302.99 -51.62 79.93 0.7889 780.0 614.9
3 11 36 10 31 9.80 300.80 -53.81 79.07 0.8123 999.5 538.1
4 0 2 0 1 7.49 299.55 -55.06 82.01 0.8230 484.0 358.2
5 61 398 56 362 10.13 298.18 -56.43 78.94 0.8380 1030.2 312.0
6 -5 -5 -5 -5 9.77 297.64 -56.98 79.42 0.8428 999999 999999
7 0 4 0 5 11.23 290.24 -64.38 78.34 0.9049 -355.0 -295.9
8 0 7 0 8 10.87 289.93 -64.69 78.75 0.9070 -430.0 -423.0


  • 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.