Daily Sunspot Evaluation
Observation Sheet Sunday, 16 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)
- 6
- Number of spots (f)
- 82
- Relative number (R)
- 142
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 20 | 8 | 52E | 95 | |||
| 2 | B – 9 | -10 | 35E | 112 | |||
| 3 | D – 11 | -16 | 06W | 153 | |||
| 4 | A – 4 | -10 | 25W | 172 | |||
| 5 | D – 19 | -9 | 34W | 181 | |||
| 6 | D – 19 | 22 | 54W | 201 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.