Daily Sunspot Evaluation
Observation Sheet Saturday, 1 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)
- 51
- Relative number (R)
- 121
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700801.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 13 | 50E | 295 | |||
| 2 | A – 1 | 5 | 07E | 338 | |||
| 3 | J – 1 | -8 | 13E | 332 | |||
| 4 | G – 17 | -9 | 12W | 357 | |||
| 5 | E – 20 | 5 | 40W | 25 | |||
| 6 | A – 5 | 11 | 16W | 4 | |||
| 7 | H – 2 | 25 | 58W | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.