Daily Sunspot Evaluation
Observation Sheet Thursday, 1 September 1983
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)
- 4
- Number of spots (f)
- 12
- Relative number (R)
- 52
- Observer
- TÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19830901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 2 | 11 | 58E | 209 | 55E | 2 | 222 |
| 2 | DAE – 8 | -7 | 62W | 329 | 65W | 5 | 292 |
| 3 | HSX – 1 | -7 | 18W | 285 | 21W | 1.75 | 265 |
| 4 | ARX – 1 | -10 | 33W | 340 ⚠ | 37W | 1 | 293 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.