SDO HMI 2014-07-18 16:00:40 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 |
| 16.06 | 50.72 | 8.72 | 27.66 | 6.76 | 111.61 | 24.67 | 276.10 | 0.4185 | 158.3 | 363.7 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-07-18 16:00:40 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 | 1.36 | 0.00 | 0.76 | 7.33 | 114.31 | 27.37 | 276.99 | 0.4612 | -858.0 | -746.4 | |
| 0.00 | 1.45 | 0.00 | 0.81 | 7.09 | 114.22 | 27.28 | 276.48 | 0.4596 | -988.0 | -798.5 | |
| 0.00 | 1.54 | 0.00 | 0.86 | 6.80 | 113.93 | 26.99 | 275.87 | 0.4548 | -929.0 | -697.2 | |
| 0.00 | 0.82 | 0.00 | 0.45 | 7.01 | 113.91 | 26.96 | 276.35 | 0.4547 | -799.0 | -652.6 | |
| 0.00 | 1.27 | 0.00 | 0.70 | 6.68 | 113.06 | 26.12 | 275.71 | 0.4413 | -824.0 | -740.9 | |
| 0.00 | 0.73 | 0.00 | 0.40 | 6.44 | 112.95 | 26.00 | 275.17 | 0.4393 | -615.0 | -624.5 | |
| 0.00 | 1.27 | 0.00 | 0.70 | 6.90 | 112.87 | 25.93 | 276.23 | 0.4385 | -884.0 | -727.1 | |
| 0.00 | 1.36 | 0.00 | 0.75 | 7.32 | 112.90 | 25.95 | 277.20 | 0.4394 | -974.0 | -773.3 | |
| 2.18 | 39.74 | 1.19 | 21.59 | 6.45 | 111.56 | 24.61 | 275.37 | 0.4174 | 1004.3 | 822.0 | |
| 0.00 | 1.18 | 0.00 | 0.64 | 6.89 | 111.38 | 24.43 | 276.44 | 0.4150 | 486.0 | 424.2 | |
| 5.53 | -9.00 | 3.00 | -9.00 | 6.50 | 111.09 | 24.14 | 275.55 | 0.4100 | 1132.0 | 999999 | |
| 8.35 | -9.00 | 4.53 | -9.00 | 6.90 | 111.04 | 24.10 | 276.53 | 0.4097 | 1015.3 | 999999 | |
| 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. | |