Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 September 1970
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)
- 43
- Relative number (R)
- 113
- Observer
- SK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19700930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 24 | 03E | 268 | |||
| 2 | B – 8 | 16 | 27E | 244 | |||
| 3 | G – 8 | -7 | 12W | 283 | |||
| 4 | G – 7 | 12 | 51W | 328 ⚠ | |||
| 5 | D – 17 | 23 | 49W | 320 | |||
| 6 | A – 1 | 16 | 20W | 291 | |||
| 7 | A – 1 | 22 | 47W | 318 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.