Daily Sunspot Evaluation
Observation Sheet Sunday, 11 October 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)
- 5
- Number of spots (f)
- 73
- Relative number (R)
- 123
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19701011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 31 | 18 | 04E | 122 | |||
| 2 | J – 2 | 6 | 76E | 50 | |||
| 3 | A – 1 | -13 | 19E | 107 | |||
| 4 | D – 16 | -12 | 09E | 117 | |||
| 5 | E – 23 | -11 | 57W | 183 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.