Daily Sunspot Evaluation
Observation Sheet Monday, 25 September 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)
- 4
- Number of spots (f)
- 16
- Relative number (R)
- 56
- Observer
- SM
- Reading
- all checks consistent
- File
- 19670925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 15 | 63E | 341 | |||
| 2 | ? – 1 | 11 | 79 | 325 | |||
| 3 | ? – 5 | -26 | 78W | 122 | |||
| 4 | C – 9 | 16 | 49W | 93 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.