Daily Sunspot Evaluation
Observation Sheet Friday, 14 August 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)
- 4
- Number of spots (f)
- 62
- Relative number (R)
- 102
- Observer
- FA
- Reading
- all checks consistent
- File
- 19700814.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 8 | 7 | 78E | 95 | |||
| 2 | B – 2 | -12 | 62E | 111 | |||
| 3 | F – 26 | 17 | 68W | 241 | |||
| 4 | F – 26 | 21 | 28W | 201 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.