SDO HMI 2011-11-17 17:58:57 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 |
| 50.89 | 213.45 | 53.63 | 217.88 | -23.78 | 284.37 | -56.50 | 119.21 | 0.8747 | 351.4 | 147.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-11-17 17:58:57 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 | 1.12 | 0.00 | 1.12 | -25.90 | 285.56 | -55.31 | 121.84 | 0.8728 | -459.0 | -394.5 | |
| 30.04 | 158.44 | 29.24 | 153.94 | -23.82 | 286.14 | -54.73 | 119.77 | 0.8625 | 764.0 | 255.5 | |
| 2.06 | 2.83 | 2.10 | 2.88 | -23.59 | 284.32 | -56.55 | 118.93 | 0.8756 | 369.3 | 292.8 | |
| 6.09 | 22.23 | 6.35 | 23.36 | -23.53 | 283.47 | -57.40 | 118.60 | 0.8817 | 481.9 | -189.2 | |
| 0.00 | 0.34 | 0.00 | 0.37 | -23.69 | 281.94 | -58.93 | 118.32 | 0.8929 | -453.0 | -440.5 | |
| 2.49 | 2.83 | 2.68 | 3.05 | -22.90 | 282.13 | -58.74 | 117.52 | 0.8899 | 431.1 | 417.2 | |
| 0.00 | 2.40 | 0.00 | 2.72 | -23.19 | 280.64 | -60.23 | 117.42 | 0.9007 | -540.0 | -450.9 | |
| 1.54 | 2.15 | 1.91 | 2.66 | -24.01 | 278.20 | -62.67 | 117.66 | 0.9180 | -539.5 | -565.3 | |
| 2.92 | 13.65 | 3.78 | 17.94 | -23.90 | 276.83 | -64.04 | 117.22 | 0.9260 | -367.5 | -224.7 | |
| 2.92 | -9.00 | 3.85 | -9.00 | -23.99 | 276.37 | -64.50 | 117.21 | 0.9288 | -355.5 | 999999 | |
| 2.83 | 6.69 | 3.72 | 8.84 | -23.63 | 276.41 | -64.46 | 116.83 | 0.9281 | -413.3 | -1.5 | |
| 0.00 | 0.77 | 0.00 | 1.00 | -23.29 | 276.64 | -64.23 | 116.53 | 0.9262 | -300.0 | -252.0 | |
| 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. | |