SDO HMI 2011-08-23 11:59:09 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 |
| 15.10 | 41.45 | 9.98 | 26.97 | 18.72 | 359.54 | -39.46 | 68.84 | 0.6440 | -508.9 | -457.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-08-23 11:59:09 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 | 1.26 | 0.00 | 0.77 | 22.49 | 5.49 | -33.52 | 60.70 | 0.5872 | -689.0 | -527.6 | |
| 0.00 | 1.71 | 0.00 | 1.06 | 17.39 | 2.88 | -36.13 | 70.15 | 0.6004 | -486.0 | -384.2 | |
| 4.22 | 14.83 | 2.64 | 9.28 | 18.97 | 2.29 | -36.71 | 67.80 | 0.6128 | -829.8 | -672.6 | |
| 4.04 | -3.00 | 2.53 | -3.00 | 18.62 | 2.26 | -36.74 | 68.36 | 0.6121 | -893.8 | 999999 | |
| 2.97 | 13.12 | 1.88 | 8.30 | 18.71 | 1.31 | -37.69 | 68.55 | 0.6244 | -771.6 | -692.6 | |
| 1.71 | -5.00 | 1.08 | -5.00 | 18.43 | 1.30 | -37.70 | 68.99 | 0.6237 | -845.2 | 999999 | |
| 0.00 | 1.26 | 0.00 | 0.79 | 17.62 | 1.35 | -37.66 | 70.26 | 0.6209 | -669.0 | -551.7 | |
| 0.00 | 2.52 | 0.00 | 1.61 | 19.05 | 0.44 | -38.56 | 68.30 | 0.6364 | -518.0 | -383.1 | |
| 0.00 | 0.72 | 0.00 | 0.46 | 18.52 | 0.05 | -38.95 | 69.24 | 0.6397 | -497.0 | -392.5 | |
| 0.00 | 1.17 | 0.00 | 0.75 | 17.23 | 0.31 | -38.70 | 71.16 | 0.6332 | -623.0 | -483.4 | |
| 0.00 | 1.44 | 0.00 | 1.02 | 18.14 | 353.27 | -45.73 | 71.43 | 0.7202 | 705.0 | 529.7 | |
| 2.16 | 3.42 | 1.85 | 2.93 | 19.00 | 343.99 | -55.01 | 71.62 | 0.8185 | 514.2 | 508.7 | |
| 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. | |