| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 8.70 | 0.00 | 5.68 | 4.24 | 26.62 | -39.19 | 75.75 | 0.6520 | -328.2 | -338.8 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-02 09:00:32 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 |
| 0.00 | 2.02 | 0.00 | 1.28 | 2.22 | 28.29 | -37.52 | 78.14 | 0.6241 | -130.0 | -219.9 | |
| 0.00 | 1.23 | 0.00 | 0.79 | 3.93 | 27.34 | -38.47 | 75.88 | 0.6422 | -728.0 | -665.8 | |
| 0.00 | 1.76 | 0.00 | 1.13 | 3.72 | 27.36 | -38.45 | 76.20 | 0.6413 | -584.0 | -478.1 | |
| 0.00 | 1.93 | 0.00 | 1.27 | 5.18 | 26.49 | -39.32 | 74.37 | 0.6576 | -522.0 | -379.7 | |
| 0.00 | 1.23 | 0.00 | 0.81 | 5.02 | 26.15 | -39.66 | 74.74 | 0.6613 | -430.0 | -325.9 | |
| 0.00 | 0.53 | 0.00 | 0.40 | 8.28 | 19.14 | -46.67 | 73.03 | 0.7549 | 425.0 | 434.3 | |
| 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. | |