Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 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)
- 10
- Number of spots (f)
- 70
- Relative number (R)
- 170
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 9 | 12 | 19E | 355 | |||
| 2 | C – 9 | 13 | 50E | 324 | |||
| 3 | A – 1 | 13 | 60E | 314 | |||
| 4 | C – 11 | -7 | 35E | 339 | |||
| 5 | C – 8 | -10 | 36E | 338 | |||
| 6 | J – 1 | 5 | 15W | 29 | |||
| 7 | G – 2 | -6 | 71W | 85 | |||
| 8 | ? – 3 | 8 | 79W | 93 | |||
| 9 | C – 6 | 20 | 60W | 74 | |||
| 10 | C – 20 | 19 | 27W | 41 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.