SDO HMI 2014-08-21 21:00:38 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 84.94 | 443.08 | 42.84 | 223.57 | 9.15 | 343.73 | -10.83 | 77.49 | 0.1911 | -800.0 | -367.0 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-21 21:00:38 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 |
| 0.72 | 2.79 | 0.36 | 1.40 | 8.73 | 346.32 | -8.25 | 77.04 | 0.1461 | 1228.2 | 904.2 | |
| 3.15 | 6.47 | 1.58 | 3.24 | 9.18 | 346.03 | -8.53 | 74.52 | 0.1527 | 1133.5 | 717.5 | |
| 0.00 | 6.11 | 0.00 | 3.07 | 9.81 | 345.83 | -8.74 | 70.95 | 0.1591 | 528.0 | 927.1 | |
| 8.99 | 13.21 | 4.52 | 6.64 | 10.96 | 345.71 | -8.86 | 64.61 | 0.1682 | 1081.7 | 510.9 | |
| 0.00 | 4.04 | 0.00 | 2.03 | 10.25 | 345.16 | -9.40 | 69.65 | 0.1722 | 1092.0 | 875.0 | |
| 57.70 | 392.92 | 29.11 | 198.30 | 8.98 | 343.73 | -10.83 | 78.44 | 0.1904 | -1528.6 | -444.5 | |
| 0.00 | 1.17 | 0.00 | 0.59 | 11.23 | 343.63 | -10.94 | 67.50 | 0.2024 | -896.0 | -693.1 | |
| 0.00 | 0.90 | 0.00 | 0.45 | 10.59 | 343.65 | -10.92 | 70.47 | 0.1984 | -874.0 | -677.1 | |
| 2.61 | -6.00 | 1.32 | -6.00 | 8.52 | 343.62 | -10.95 | 80.91 | 0.1910 | -1173.8 | 999999 | |
| 0.00 | 2.70 | 0.00 | 1.36 | 11.43 | 343.43 | -11.14 | 66.88 | 0.2068 | -1191.0 | -902.5 | |
| 0.54 | 1.71 | 0.27 | 0.86 | 7.52 | 343.37 | -11.20 | 86.26 | 0.1938 | -815.7 | -563.3 | |
| 10.69 | -6.00 | 5.41 | -6.00 | 9.30 | 343.25 | -11.31 | 77.25 | 0.1994 | -1179.6 | 999999 | |
| 0.00 | 1.08 | 0.00 | 0.54 | 7.15 | 343.25 | -11.32 | 88.16 | 0.1957 | 86.0 | 207.2 | |
| 0.54 | 3.95 | 0.27 | 2.00 | 11.58 | 343.01 | -11.55 | 66.95 | 0.2142 | -1086.0 | -990.0 | |
| 0.00 | 1.26 | 0.00 | 0.64 | 9.62 | 340.06 | -14.51 | 78.39 | 0.2533 | 834.0 | 637.1 | |
| 0.00 | 1.62 | 0.00 | 0.83 | 12.35 | 339.02 | -15.54 | 69.30 | 0.2811 | 779.0 | 572.3 | |
| 0.00 | 0.99 | 0.00 | 0.51 | 11.06 | 338.65 | -15.92 | 74.10 | 0.2812 | 838.0 | 730.4 | |
| 0.00 | 2.16 | 0.00 | 1.11 | 9.86 | 338.13 | -16.44 | 78.63 | 0.2856 | 625.0 | 577.8 | |
| 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. | |