SDO HMI 2013-10-18 06:59:00 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 |
| 9.51 | 40.74 | 11.83 | 49.57 | -22.42 | 155.10 | 60.93 | 242.25 | 0.9126 | 286.2 | 43.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2013-10-18 06:59:00 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 |
| 8.64 | 31.76 | 10.96 | 40.51 | -22.47 | 156.47 | 62.30 | 242.69 | 0.9224 | 576.4 | 46.4 | |
| 0.00 | 1.92 | 0.00 | 2.44 | -22.93 | 156.35 | 62.17 | 242.18 | 0.9225 | 107.0 | 65.5 | |
| 0.87 | 2.18 | 0.87 | 2.18 | -21.36 | 149.12 | 54.94 | 241.45 | 0.8699 | 592.7 | 475.1 | |
| 0.00 | 1.13 | 0.00 | 1.13 | -22.39 | 148.70 | 54.52 | 240.18 | 0.8698 | 576.0 | 424.5 | |
| 0.00 | 0.26 | 0.00 | 0.25 | -20.71 | 147.24 | 53.06 | 241.44 | 0.8533 | -405.0 | -494.3 | |
| 0.00 | 0.52 | 0.00 | 0.51 | -22.34 | 147.73 | 53.55 | 239.86 | 0.8624 | 220.0 | 279.0 | |
| 0.00 | 0.61 | 0.00 | 0.53 | -22.00 | 142.65 | 48.48 | 238.05 | 0.8203 | -474.0 | -432.3 | |
| 0.00 | 1.05 | 0.00 | 0.90 | -22.12 | 142.57 | 48.39 | 237.87 | 0.8200 | -467.0 | -393.2 | |
| 0.00 | 0.87 | 0.00 | 0.75 | -22.07 | 142.30 | 48.12 | 237.81 | 0.8176 | -435.0 | -442.1 | |
| 0.00 | 0.44 | 0.00 | 0.37 | -23.82 | 141.03 | 46.86 | 235.25 | 0.8146 | -279.0 | -262.2 | |
| 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. | |