Daily Sunspot Evaluation
Observation Sheet Monday, 7 August 1967
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)
- 70
- Relative number (R)
- 150
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 5 | 19 | 15E | 316 | |||
| 2 | C – 3 | 28 | 60E | 275 ⚠ | |||
| 3 | F – 46 | 20 | 35E | 296 | |||
| 4 | H – 7 | -22 | 62E | 269 | |||
| 5 | H – 6 | -23 | 55W | 26 | |||
| 6 | A – 1 | -5 | 10W | 341 | |||
| 7 | J – 1 | 15 | 72W | 43 | |||
| 8 | A – 1 | 17 | 36W | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



