Daily Sunspot Evaluation
Observation Sheet Sunday, 4 October 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)
- 5
- Number of spots (f)
- 52
- Relative number (R)
- 102
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19701004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 26 | -10 | 36E | 182 | |||
| 2 | A – 1 | -9 | 16E | 202 | |||
| 3 | H – 4 | -7 | 65W | 283 | |||
| 4 | A – 2 | 17 | 74W | 292 | |||
| 5 | D – 19 | 18 | 27W | 245 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.