Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 October 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)
- 73
- Relative number (R)
- 153
- Observer
- SB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19671025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 27 | 20 | 14E | 339 | |||
| 2 | H – 6 | 22 | 24E | 328 | |||
| 3 | J – 1 | 12 | 36E | 317 | |||
| 4 | A – 4 | 20 | 6SE | 288 | |||
| 5 | D – 26 | 10 | 24W | 17 | |||
| 6 | A – 4 | 15 | 57W | 50 | |||
| 7 | H – 2 | 18 | 50W | 43 | |||
| 8 | J – 3 | 11 | 4W | 35 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.