Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 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)
- 10
- Number of spots (f)
- 112
- Relative number (R)
- 212
- Observer
- SM
- Reading
- all checks consistent
- File
- 19670823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 21 | 26 | 23E | 97 | |||
| 2 | F – 43 | 23 | 33E | 87 | |||
| 3 | C – 8 | 30 | 37E | 83 | |||
| 4 | A – 3 | 17 | 45E | 76 | |||
| 5 | J – 1 | 17 | 50E | 70 | |||
| 6 | B – 2 | 13 | 24E | 96 | |||
| 7 | J – 7 | 15 | 51E | 69 | |||
| 8 | D – 20 | 13 | 38E | 82 | |||
| 9 | H – 6 | -33 | 43W | 163 | |||
| 10 | ? – 1 | 18 | 83W | 203 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.