Daily Sunspot Evaluation
Observation Sheet Sunday, 23 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)
- 8
- Number of spots (f)
- 78
- Relative number (R)
- 158
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19700823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | ||||||
| 2 | D – 16 | 19 | 14E | 40 | |||
| 3 | H – 2 | 11 | 6E | 353 ⚠ | |||
| 4 | A – 1 | 9 | 73E | 341 | |||
| 5 | J – 1 | 5 | 25E | 29 | |||
| 6 | D – 20 | -6 | 28W | 82 | |||
| 7 | H – 13 | 9 | 38W | 92 | |||
| 8 | D – 23 | 21 | 19W | 73 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.