SDO HMI 2014-12-01 12:00:25 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 |
| 0.00 | 8.88 | 0.00 | 4.86 | -23.96 | 94.14 | 0.38 | 180.66 | 0.4244 | -523.0 | -428.3 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-12-01 12:00:25 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 | 1.45 | 0.00 | 0.81 | -25.89 | 101.22 | 7.45 | 194.55 | 0.4666 | 826.0 | 646.6 | |
| 0.00 | 1.45 | 0.00 | 0.79 | -23.61 | 94.61 | 0.85 | 181.88 | 0.4160 | -745.0 | -609.5 | |
| 0.00 | 1.11 | 0.00 | 0.60 | -23.32 | 94.03 | 0.27 | 180.60 | 0.4111 | -853.0 | -651.2 | |
| 0.00 | 1.45 | 0.00 | 0.77 | -19.70 | 93.62 | -0.14 | 179.62 | 0.3525 | -782.0 | -690.4 | |
| 0.00 | 1.28 | 0.00 | 0.71 | -25.41 | 91.38 | -2.38 | 175.15 | 0.4458 | -748.0 | -651.9 | |
| 0.00 | 0.60 | 0.00 | 0.33 | -25.21 | 91.16 | -2.61 | 174.65 | 0.4430 | -742.0 | -773.9 | |
| 0.00 | 1.54 | 0.00 | 0.85 | -25.08 | 90.96 | -2.80 | 174.22 | 0.4412 | -617.0 | -572.1 | |
| 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. | |