Daily Sunspot Evaluation
Observation Sheet Sunday, 11 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)
- 34
- Relative number (R)
- 124
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700111.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 10 | 33E | 99 | |||
| 2 | A – 1 | 14 | 78E | 54 | |||
| 3 | J – 1 | -8 | 58E | 74 | |||
| 4 | ? – 2 | -9 | 80E | 52 | |||
| 5 | D – 8 | -10 | 36E | 96 | |||
| 6 | H – 6 | -10 | 20E | 112 | |||
| 7 | J – 1 | -15 | 80E | 52 | |||
| 8 | E – 13 | -30 | 45W | 177 | |||
| 9 | A – 1 | -15 | 41W | 173 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.