Daily Sunspot Evaluation
Observation Sheet Sunday, 25 January 1970
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)
- 51
- Relative number (R)
- 141
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 6 | -4 | 44E | 262 | |||
| 2 | A – 5 | -6 | 38E | 268 | |||
| 3 | D – 19 | -9 | 10E | 296 | |||
| 4 | A – 1 | -14 | 24E | 282 | |||
| 5 | H – 13 | -17 | 12E | 294 | |||
| 6 | J – 1 | -22 | 19E | 287 | |||
| 7 | A – 1 | -6 | 28W | 334 | |||
| 8 | G – 4 | -3 | 29W | 335 | |||
| 9 | ? – 1 | 12 | 78W | 24 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.