Daily Sunspot Evaluation
Observation Sheet Saturday, 14 September 1968
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)
- 7
- Number of spots (f)
- 80
- Relative number (R)
- 150
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 24 | 65E | 334 | |||
| 2 | C – 11 | 7 | 18E | 21 | |||
| 3 | H – 34 | -12 | 10E | 29 | |||
| 4 | D – 17 | -20 | 53W | 92 | |||
| 5 | C – 10 | -17 | 43W | 82 | |||
| 6 | D – 4 | -11 | 36W | 75 | |||
| 7 | A – 3 | 5 | 47W | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.