SDO HMI 2011-05-29 14:59:10 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 | 14.52 | 0.00 | 14.07 | 16.26 | 37.72 | -57.44 | 70.34 | 0.8609 | 21.1 | 21.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2011-05-29 14:59:10 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 | 2.08 | 0.00 | 1.92 | 16.47 | 39.53 | -55.63 | 69.69 | 0.8461 | -517.0 | -470.9 | |
| 0.00 | 3.07 | 0.00 | 2.82 | 16.09 | 39.64 | -55.52 | 70.11 | 0.8444 | -676.0 | -470.6 | |
| 0.00 | 1.08 | 0.00 | 0.99 | 15.58 | 39.74 | -55.42 | 70.68 | 0.8425 | -602.0 | -577.0 | |
| 0.00 | 1.26 | 0.00 | 1.26 | 16.26 | 36.57 | -58.59 | 70.59 | 0.8707 | 696.0 | 518.4 | |
| 0.00 | 4.69 | 0.00 | 4.73 | 16.49 | 36.34 | -58.82 | 70.38 | 0.8729 | 579.0 | 383.1 | |
| 0.00 | 1.44 | 0.00 | 1.44 | 16.01 | 36.57 | -58.59 | 70.87 | 0.8703 | 438.0 | 289.5 | |
| 0.00 | 0.90 | 0.00 | 0.91 | 16.27 | 36.33 | -58.84 | 70.63 | 0.8727 | 230.0 | 236.3 | |
| 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. | |