Daily Sunspot Evaluation
Observation Sheet Sunday, 2 August 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
- MÖ
- Reading
- all checks consistent
- File
- 19700802.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 17 | 75°E | 257 | |||
| 2 | B – 9 | 13 | 37°E | 295 | |||
| 3 | J – 1 | -8 | 0° | 332 | |||
| 4 | A – 3 | -13 | 22°W | 354 | |||
| 5 | H – 13 | -9 | 24°W | 356 | |||
| 6 | E – 14 | 6 | 54°W | 26 | |||
| 7 | H – 2 | 25 | 71°W | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



