Daily Sunspot Evaluation
Observation Sheet Saturday, 25 October 1969
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)
- 6
- Number of spots (f)
- 69
- Relative number (R)
- 129
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19691025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 44 | 11 | 15E | 65 | |||
| 2 | J – 1 | -13 | 63E | 17 | |||
| 3 | G – 8 | -12 | 21E | 59 | |||
| 4 | A – 2 | -29 | 25W | 105 | |||
| 5 | H – 6 | 5 | 06W | 86 | |||
| 6 | H – 8 | 10 | 08W | 88 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.