Daily Sunspot Evaluation
Observation Sheet Saturday, 1 February 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)
- 7
- Number of spots (f)
- 16
- Relative number (R)
- 86
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 3 | 35 | 14E | 339 | |||
| 2 | J – 1 | 24 | 60E | 293 | |||
| 3 | A – 3 | -1 | 64E | 289 | |||
| 4 | J – 1 | -7 | 72E | 281 | |||
| 5 | A – 1 | -15 | 14W | 7 | |||
| 6 | H – 4 | 14 | 69W | 62 | |||
| 7 | J – 3 | 20 | 55W | 48 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.