SDO HMI 2014-09-24 04:00:34 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 |
| 0.00 | 15.56 | 0.00 | 8.13 | 16.18 | 258.88 | -16.03 | 58.20 | 0.3144 | 835.9 | 693.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-24 04:00:34 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 | 0.97 | 0.00 | 0.51 | 17.10 | 260.00 | -14.90 | 53.89 | 0.3056 | 763.0 | 540.7 | |
| 0.00 | 5.66 | 0.00 | 2.95 | 16.85 | 259.67 | -15.24 | 55.16 | 0.3078 | 792.0 | 735.9 | |
| 0.00 | 2.12 | 0.00 | 1.10 | 15.74 | 259.20 | -15.70 | 59.06 | 0.3051 | 877.0 | 586.9 | |
| 0.00 | 2.21 | 0.00 | 1.16 | 16.64 | 258.84 | -16.07 | 57.04 | 0.3175 | 864.0 | 800.0 | |
| 0.00 | 1.42 | 0.00 | 0.74 | 16.05 | 258.43 | -16.48 | 59.28 | 0.3185 | 1006.0 | 897.9 | |
| 0.00 | 1.59 | 0.00 | 0.84 | 17.19 | 257.97 | -16.94 | 56.83 | 0.3340 | 904.0 | 681.1 | |
| 0.00 | 1.59 | 0.00 | 0.83 | 12.27 | 256.35 | -18.56 | 72.51 | 0.3275 | 645.0 | 461.5 | |
| 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. | |