Daily Sunspot Evaluation
Observation Sheet Saturday, 12 October 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)
- 60
- Relative number (R)
- 130
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681012.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 16 | 13E | 16 | |||
| 2 | ? – 8 | 19 | 77E | 312 | |||
| 3 | D – 37 | -14 | 19E | 10 | |||
| 4 | A – 1 | -18 | 17W | 46 | |||
| 5 | B – 9 | -13 | 67W | 96 | |||
| 6 | ? – 1 | 5 | 85W | 114 | |||
| 7 | A – 1 | 17 | 76W | 105 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.