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

12141 40.48 244.03 20.42 123.12 15.99 27.42 5.31 331.64 0.1897 -338.9 -208.8


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

SDO HMI 2014-08-19 19:00:38 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 0.27 200.21 0.14 101.06 15.72 29.06 6.95 323.09 0.1949 -826.0 -345.9
2 35.98 -1.00 18.16 -1.00 15.82 28.62 6.51 325.15 0.1919 -1383.8 999999
3 0.00 5.76 0.00 2.90 16.48 26.86 4.76 334.66 0.1866 -1244.0 -950.9
4 0.00 1.53 0.00 0.77 16.80 26.36 4.26 337.69 0.1881 -911.0 -807.4
5 0.00 2.16 0.00 1.09 16.93 25.32 3.21 343.00 0.1842 -846.0 -626.4
6 0.00 1.17 0.00 0.59 16.72 24.87 2.76 344.94 0.1786 -1076.0 -867.3
7 0.00 0.99 0.00 0.50 18.08 21.70 -0.40 1.97 0.1960 769.0 678.9
8 0.00 2.07 0.00 1.05 18.24 21.60 -0.50 2.40 0.1987 942.0 838.3
9 0.00 0.90 0.00 0.45 16.48 21.35 -0.75 4.29 0.1687 730.0 576.6
10 0.00 0.90 0.00 0.45 16.05 21.26 -0.84 5.05 0.1614 812.0 645.8
11 0.00 1.35 0.00 0.68 16.27 21.16 -0.94 5.49 0.1653 950.0 749.6
12 0.00 1.26 0.00 0.64 18.49 21.00 -1.11 5.19 0.2036 821.0 631.8
13 0.00 0.99 0.00 0.50 17.78 20.97 -1.14 5.68 0.1915 810.0 523.9
14 0.00 1.26 0.00 0.63 16.14 20.94 -1.16 6.86 0.1636 1043.0 865.1
15 0.00 2.70 0.00 1.36 16.85 20.81 -1.29 7.07 0.1760 948.0 794.5
16 0.00 1.53 0.00 0.77 17.22 20.65 -1.45 7.64 0.1826 1011.0 845.8
17 0.00 1.62 0.00 0.82 17.00 20.65 -1.45 7.80 0.1790 1060.0 939.2
18 0.00 1.62 0.00 0.82 17.06 20.46 -1.64 8.76 0.1805 1135.0 946.4
19 3.69 10.79 1.85 5.42 16.20 19.84 -2.27 13.13 0.1679 1168.8 858.8
20 0.00 0.90 0.00 0.45 17.77 19.82 -2.28 11.31 0.1944 990.0 878.6
21 0.00 2.25 0.00 1.13 16.35 19.58 -2.52 14.31 0.1715 902.0 753.6
22 0.54 2.07 0.27 1.04 17.18 19.10 -3.01 15.58 0.1874 1075.5 898.2


  • 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.