Debrecen 1991-10-05 14:43:32 UT
| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 134 | 850 | 81 | 501 | 18.36 | 153.85 | 27.02 | 296.87 | 0.4825 | |
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| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r |
| 29 | 370 | 18 | 226 | 20.50 | 159.59 | 32.76 | 297.04 | 0.5713 | |
| 23 | -1 | 15 | -1 | 20.39 | 159.02 | 32.20 | 297.17 | 0.5636 | |
| 0 | 1 | 0 | 1 | 16.73 | 153.11 | 26.28 | 294.00 | 0.4661 | |
| 0 | 2 | 0 | 2 | 17.46 | 153.32 | 26.50 | 295.33 | 0.4728 | |
| 0 | 1 | 0 | 1 | 17.47 | 152.98 | 26.16 | 295.58 | 0.4682 | |
| 6 | 15 | 4 | 9 | 17.29 | 152.49 | 25.66 | 295.58 | 0.4603 | |
| 0 | 3 | 0 | 2 | 17.03 | 151.59 | 24.76 | 295.68 | 0.4463 | |
| 1 | 14 | 1 | 9 | 15.46 | 150.29 | 23.46 | 293.23 | 0.4193 | |
| 0 | 2 | 0 | 1 | 17.74 | 151.67 | 24.85 | 297.12 | 0.4515 | |
| 4 | -8 | 2 | -8 | 15.53 | 150.17 | 23.35 | 293.48 | 0.4181 | |
| 0 | 1 | 0 | 1 | 16.90 | 150.44 | 23.62 | 296.32 | 0.4294 | |
| 5 | 13 | 3 | 8 | 17.69 | 150.81 | 23.99 | 297.71 | 0.4393 | |
| 1 | -12 | 1 | -12 | 17.60 | 150.47 | 23.65 | 297.79 | 0.4340 | |
| 0 | 1 | 0 | 1 | 18.03 | 150.75 | 23.92 | 298.47 | 0.4404 | |
| 29 | 427 | 16 | 240 | 16.13 | 149.17 | 22.35 | 295.66 | 0.4070 | |
| 5 | -15 | 3 | -15 | 17.14 | 149.78 | 22.95 | 297.40 | 0.4215 | |
| 31 | -15 | 18 | -15 | 16.93 | 148.81 | 21.98 | 297.81 | 0.4066 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
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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. |
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| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
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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. |
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| 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 | |