group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
42.14 | 264.62 | 73.13 | 455.21 | 13.67 | 174.01 | 73.17 | 283.64 | 0.9555 | -71.0 | 25.3 |
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back to the solar disc SDO HMI 2010-11-19 01:58:57 UT ![]() 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!) |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
5.32 | 143.34 | 11.32 | 298.44 | 12.80 | 177.62 | 76.77 | 282.60 | 0.9737 | 304.1 | -69.5 | |
19.48 | -1.00 | 39.91 | -1.00 | 12.98 | 176.99 | 76.15 | 282.79 | 0.9713 | -603.6 | 999999 | |
0.00 | 0.77 | 0.00 | 1.37 | 12.22 | 174.78 | 73.94 | 282.03 | 0.9615 | -429.0 | -417.2 | |
0.00 | 1.20 | 0.00 | 2.13 | 12.71 | 174.71 | 73.87 | 282.54 | 0.9613 | -474.0 | -468.1 | |
0.00 | 1.29 | 0.00 | 2.31 | 13.12 | 174.94 | 74.10 | 282.97 | 0.9624 | -429.0 | -383.1 | |
0.00 | 1.54 | 0.00 | 2.55 | 13.45 | 173.47 | 72.63 | 283.35 | 0.9554 | 43.0 | 27.9 | |
0.00 | 2.32 | 0.00 | 3.54 | 13.67 | 171.94 | 71.10 | 283.63 | 0.9474 | 409.0 | 349.2 | |
0.00 | 0.69 | 0.00 | 1.02 | 13.23 | 171.45 | 70.61 | 283.19 | 0.9446 | 406.0 | 387.4 | |
0.00 | 0.86 | 0.00 | 1.15 | 14.66 | 169.06 | 68.22 | 284.83 | 0.9309 | 125.0 | 128.9 | |
17.34 | 112.61 | 21.90 | 142.70 | 15.24 | 167.57 | 66.73 | 285.55 | 0.9217 | 699.1 | 227.2 |
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. |
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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. |
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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. |