| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.00 | 17.68 | 0.00 | 11.93 | 13.53 | 349.88 | 42.51 | 282.73 | 0.6725 | 45.5 | 62.5 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-09-21 17:00:34 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 | 1.06 | 0.00 | 0.82 | 13.44 | 357.92 | 50.56 | 281.63 | 0.7691 | -491.0 | -368.8 | |
| 0.00 | 0.97 | 0.00 | 0.74 | 11.78 | 357.08 | 49.72 | 279.48 | 0.7594 | -566.0 | -431.7 | |
| 0.00 | 1.42 | 0.00 | 1.07 | 11.43 | 356.86 | 49.49 | 279.03 | 0.7568 | -616.0 | -523.6 | |
| 0.00 | 1.59 | 0.00 | 1.20 | 12.00 | 356.71 | 49.34 | 279.77 | 0.7553 | -702.0 | -544.6 | |
| 0.00 | 0.35 | 0.00 | 0.26 | 11.50 | 354.78 | 47.41 | 279.16 | 0.7331 | -552.0 | -541.0 | |
| 0.00 | 0.62 | 0.00 | 0.46 | 14.02 | 355.32 | 47.95 | 282.55 | 0.7404 | -568.0 | -476.3 | |
| 0.00 | 0.97 | 0.00 | 0.68 | 13.95 | 352.27 | 44.91 | 282.72 | 0.7047 | -415.0 | -437.6 | |
| 0.00 | 0.53 | 0.00 | 0.35 | 13.78 | 348.04 | 40.67 | 282.97 | 0.6518 | 478.0 | 436.3 | |
| 0.00 | 0.97 | 0.00 | 0.62 | 12.42 | 346.72 | 39.35 | 281.02 | 0.6331 | 627.0 | 549.5 | |
| 0.00 | 1.15 | 0.00 | 0.74 | 13.93 | 346.93 | 39.56 | 283.36 | 0.6377 | 643.0 | 530.5 | |
| 0.00 | 1.59 | 0.00 | 1.01 | 12.16 | 346.51 | 39.14 | 280.63 | 0.6301 | 429.0 | 327.7 | |
| 0.00 | 2.21 | 0.00 | 1.42 | 14.55 | 346.86 | 39.49 | 284.34 | 0.6377 | 323.0 | 407.2 | |
| 0.00 | 1.68 | 0.00 | 1.03 | 16.20 | 343.10 | 35.74 | 287.89 | 0.5916 | 694.0 | 574.7 | |
| 0.00 | 1.15 | 0.00 | 0.69 | 16.46 | 341.59 | 34.22 | 288.81 | 0.5719 | 686.0 | 685.5 | |
| 0.00 | 1.42 | 0.00 | 0.84 | 14.66 | 340.61 | 33.24 | 285.96 | 0.5537 | 713.0 | 438.3 | |
| 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. | |