Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 January 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)
- 53
- Relative number (R)
- 143
- Observer
- SK
- Reading
- all checks consistent
- File
- 19670125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 23 | 19 | 10 | 13 | |||
| 2 | A – 2 | 21 | 31E | 342 | |||
| 3 | A – 1 | 18 | 79E | 291 | |||
| 4 | J – 2 | -21 | 53E | 320 | |||
| 5 | A – 1 | 13 | 60W | 73 | |||
| 6 | D – 15 | 18 | 30W | 43 | |||
| 7 | C – 6 | 17 | 19W | 32 | |||
| 8 | J – 2 | 17 | 11W | 24 | |||
| 9 | A – 1 | 24 | 03W | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.