Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 March 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)
- 8
- Number of spots (f)
- 82
- Relative number (R)
- 162
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690325.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 23 | 81E | 304 | |||
| 2 | A – 2 | 9 | 55E | 330 | |||
| 3 | C – 23 | -31 | 29W | 54 | |||
| 4 | J – 1 | -26 | 53W | 78 | |||
| 5 | J – 1 | -13 | 38W | 63 | |||
| 6 | A – 8 | -11 | 24W | 49 | |||
| 7 | G – 4 | 13 | 70W | 95 | |||
| 8 | G – 42 | 21 | 41W | 66 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.