Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 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)
- 9
- Number of spots (f)
- 77
- Relative number (R)
- 167
- Observer
- SM
- Reading
- all checks consistent
- File
- 19670809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 33 | 20 | 10E | 294 | |||
| 2 | R – 8 | 29 | 38E | 266 | |||
| 3 | R – 2 | 2 | 30E | 275 | |||
| 4 | R – 1 | 11 | 35E | 270 | |||
| 5 | H – 1 | -19 | 57E | 247 | |||
| 6 | H – 20 | -22 | 37E | 267 | |||
| 7 | R – 4 | -19 | 22W | 326 | |||
| 8 | ? – 1 | -29 | 80W | 24 | |||
| 9 | B – 7 | 17 | 42W | 347 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.