SDO HMI 2011-10-23 20:59:00 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 |
| 1.48 | 16.68 | 0.83 | 9.40 | 23.49 | 331.18 | 22.33 | 312.63 | 0.4770 | -647.7 | -542.6 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-10-23 20:59:00 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 |
| 0.00 | 1.39 | 0.00 | 0.81 | 22.30 | 336.03 | 27.18 | 305.66 | 0.5223 | -772.0 | -677.3 | |
| 0.00 | 1.56 | 0.00 | 0.88 | 21.38 | 332.40 | 23.55 | 307.50 | 0.4710 | -638.0 | -600.7 | |
| 0.00 | 1.30 | 0.00 | 0.74 | 23.30 | 331.90 | 23.05 | 311.42 | 0.4816 | -707.0 | -455.6 | |
| 0.00 | 0.96 | 0.00 | 0.54 | 23.05 | 331.82 | 22.97 | 311.09 | 0.4784 | -665.0 | -601.5 | |
| 0.00 | 1.04 | 0.00 | 0.60 | 24.94 | 332.18 | 23.33 | 313.80 | 0.4996 | -717.0 | -585.7 | |
| 0.00 | 1.65 | 0.00 | 0.92 | 22.19 | 331.25 | 22.40 | 310.24 | 0.4641 | -785.0 | -624.5 | |
| 0.00 | 0.52 | 0.00 | 0.29 | 23.51 | 331.48 | 22.63 | 312.24 | 0.4786 | -678.0 | -625.8 | |
| 1.48 | 2.00 | 0.83 | 1.12 | 22.45 | 331.25 | 22.41 | 310.67 | 0.4664 | -872.5 | -839.8 | |
| 0.00 | 0.96 | 0.00 | 0.54 | 22.76 | 331.27 | 22.43 | 311.20 | 0.4695 | -799.0 | -661.0 | |
| 0.00 | 1.65 | 0.00 | 0.92 | 23.36 | 330.08 | 21.24 | 313.66 | 0.4615 | -906.0 | -713.4 | |
| 0.00 | 1.22 | 0.00 | 0.68 | 24.73 | 329.90 | 21.05 | 316.15 | 0.4730 | -798.0 | -682.5 | |
| 0.00 | 1.30 | 0.00 | 0.73 | 25.01 | 329.85 | 21.00 | 316.68 | 0.4753 | -746.0 | -555.5 | |
| 0.00 | 1.13 | 0.00 | 0.63 | 28.66 | 324.93 | 16.08 | 328.79 | 0.4709 | 625.0 | 507.2 | |
| 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. | |