SDO HMI 2014-08-08 10:00:39 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 |
| 1.17 | 19.07 | 1.32 | 18.39 | -6.76 | 229.89 | 57.40 | 258.15 | 0.8511 | 247.5 | 281.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-08 10:00:39 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 |
| 1.17 | 8.41 | 1.32 | 9.48 | -8.02 | 234.82 | 62.33 | 257.85 | 0.8989 | 629.4 | 483.0 | |
| 0.00 | 0.81 | 0.00 | 0.92 | -8.80 | 234.84 | 62.35 | 257.00 | 0.9002 | 327.0 | 288.7 | |
| 0.00 | 1.08 | 0.00 | 1.01 | -5.36 | 229.12 | 56.63 | 259.60 | 0.8474 | 379.0 | 358.0 | |
| 0.00 | 0.99 | 0.00 | 0.90 | -6.14 | 227.91 | 55.43 | 258.41 | 0.8378 | 626.0 | 521.8 | |
| 0.00 | 1.27 | 0.00 | 1.14 | -6.51 | 227.86 | 55.38 | 257.96 | 0.8381 | 520.0 | 385.5 | |
| 0.00 | 1.36 | 0.00 | 1.19 | -7.08 | 226.57 | 54.08 | 256.97 | 0.8271 | 532.0 | 468.1 | |
| 0.00 | 1.45 | 0.00 | 1.06 | -3.76 | 218.97 | 46.49 | 259.04 | 0.7394 | 321.0 | 196.2 | |
| 0.00 | 2.62 | 0.00 | 1.91 | -3.70 | 218.57 | 46.08 | 259.01 | 0.7346 | -640.0 | -537.1 | |
| 0.00 | 1.08 | 0.00 | 0.78 | -3.06 | 217.96 | 45.48 | 259.69 | 0.7259 | -589.0 | -529.2 | |
| 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. | |