Daily Sunspot Evaluation
Observation Sheet Sunday, 12 December 1982
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 8
- Number of spots (f)
- 37
- Relative number (R)
- 117
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19821212.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 7 | 10 | 04W | 117 | 07W | 10 | 477 |
| 2 | HAY – 1 | -9 | 43W | 156 | 46W | 1.5 | 451 |
| 3 | CAO – 3 | -12 | 31W | 144 | 34W | 8 | 477 |
| 4 | EKI – 9 | -16 | 18W | 171 ⚠ | 21W | 12 | 467 |
| 5 | CAO – 2 | -7 | 08E | 105 | 05E | 4.5 | 471 |
| 6 | DAC – 5 | -7 | 23E | 90 | 20E | 4 | 470 |
| 7 | AKY – 1 | -14 | 31E | 82 | 28E | - | 478 |
| 8 | DAC – 9 | -11 | 35E | 78 | 32E | 6 | 477 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.