Daily Sunspot Evaluation
Observation Sheet Monday, 13 September 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)
- 7
- Number of spots (f)
- 40
- Relative number (R)
- 110
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820913.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 6 | 44W | 290 | 47W | 2 | 341 |
| 2 | CAO – 2 | -12 | 49W | 295 | 52W | 4.5 | 347 |
| 3 | HKX – 1 | -9 | 24W | 270 | 27W | 3.5 | 344 |
| 4 | DAO – 10 | -23 | 16W | 262 | 19W | 0.25 | 351 |
| 5 | HSX – 1 | -10 | 34E | 212 | 31E | 0.5 | 350 |
| 6 | DAI – 16 | -14 | 36E | 210 | 33E | 4 | 349 |
| 7 | DAI – 9 | -16 | 68E | 178 | 65E | 7 | 352 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.