group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
11.62 | 48.29 | 9.61 | 39.87 | -14.90 | 253.53 | 51.00 | 249.69 | 0.8031 | 656.8 | 455.0 |
previous
or next observation for the same group /
back to the solar disc SDO HMI 2013-06-23 02:59:10 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 | 2.81 | 0.00 | 2.36 | -15.10 | 254.07 | 51.55 | 249.60 | 0.8089 | -146.0 | -79.6 | |
6.63 | 44.30 | 5.47 | 36.57 | -14.70 | 253.49 | 50.96 | 249.91 | 0.8022 | 846.3 | 499.4 | |
4.99 | -2.00 | 4.14 | -2.00 | -15.09 | 253.61 | 51.09 | 249.48 | 0.8044 | 622.5 | 999999 | |
0.00 | 1.18 | 0.00 | 0.94 | -15.44 | 251.70 | 49.17 | 248.45 | 0.7864 | 565.0 | 523.1 |
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. |