SDO HMI 2014-04-16 16:00:34 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!)
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 42.90 | 296.86 | 28.56 | 197.20 | 12.01 | 275.32 | 38.14 | 294.94 | 0.6684 | -924.9 | -346.9 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-04-16 16:00:34 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 |
| 42.90 | 285.56 | 28.56 | 190.09 | 11.96 | 275.51 | 38.33 | 294.75 | 0.6704 | -1268.1 | -372.7 | |
| 0.00 | 1.59 | 0.00 | 1.01 | 8.84 | 272.99 | 35.81 | 291.67 | 0.6244 | -592.0 | -440.8 | |
| 0.00 | 0.97 | 0.00 | 0.62 | 10.22 | 273.09 | 35.91 | 293.66 | 0.6324 | -337.0 | -347.7 | |
| 0.00 | 0.88 | 0.00 | 0.58 | 16.10 | 272.41 | 35.23 | 302.36 | 0.6584 | -582.0 | -484.4 | |
| 0.00 | 0.62 | 0.00 | 0.41 | 16.64 | 272.33 | 35.15 | 303.14 | 0.6611 | -406.0 | -374.7 | |
| 0.00 | 1.06 | 0.00 | 0.67 | 13.22 | 270.49 | 33.31 | 299.74 | 0.6180 | 539.0 | 381.6 | |
| 0.00 | 0.97 | 0.00 | 0.60 | 12.76 | 269.72 | 32.54 | 299.65 | 0.6059 | 794.0 | 609.5 | |
| 0.00 | 3.27 | 0.00 | 2.02 | 14.15 | 268.29 | 31.11 | 302.79 | 0.5982 | 660.0 | 709.0 | |
| 0.00 | 1.06 | 0.00 | 0.66 | 14.59 | 268.18 | 31.00 | 303.52 | 0.6001 | 568.0 | 523.2 | |
| 0.00 | 0.88 | 0.00 | 0.54 | 15.23 | 267.48 | 30.30 | 305.02 | 0.5967 | 833.0 | 748.5 | |
| 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. | |