SDO HMI 2014-08-28 01:00:37 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 |
| 50.48 | 200.96 | 73.77 | 290.54 | 7.70 | 343.84 | 70.76 | 275.64 | 0.9415 | -152.4 | -220.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-08-28 01:00:37 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 |
| 1.79 | 4.30 | 3.34 | 8.05 | 8.34 | 348.41 | 75.33 | 276.73 | 0.9650 | -339.0 | -206.9 | |
| 0.00 | 1.35 | 0.00 | 2.38 | 9.78 | 347.72 | 74.63 | 278.16 | 0.9612 | 90.0 | 95.5 | |
| 0.00 | 0.27 | 0.00 | 0.44 | 8.42 | 346.26 | 73.18 | 276.61 | 0.9546 | -319.0 | -291.7 | |
| 12.64 | 183.30 | 18.92 | 263.80 | 7.19 | 344.40 | 71.32 | 275.16 | 0.9451 | 515.0 | -244.2 | |
| 35.33 | -4.00 | 50.53 | -4.00 | 7.85 | 343.52 | 70.44 | 275.77 | 0.9397 | -410.8 | 999999 | |
| 0.00 | 7.44 | 0.00 | 10.11 | 6.61 | 342.28 | 69.19 | 274.34 | 0.9328 | -84.0 | -3.5 | |
| 0.00 | 1.70 | 0.00 | 2.28 | 6.77 | 341.98 | 68.90 | 274.48 | 0.9309 | 233.0 | 186.5 | |
| 0.72 | 1.43 | 0.98 | 1.96 | 11.11 | 342.77 | 69.68 | 279.19 | 0.9337 | 270.2 | 284.0 | |
| 0.00 | 1.17 | 0.00 | 1.52 | 10.05 | 341.54 | 68.45 | 277.97 | 0.9264 | -39.0 | -44.5 | |
| 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. | |