Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 June 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)
- 9
- Number of spots (f)
- 46
- Relative number (R)
- 136
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 9 | 9 | 34E | 168 | |||
| 2 | A – 1 | -6 | 24E | 178 | |||
| 3 | F – 4 | -15 | 20E | 182 | |||
| 4 | ? – 1 | -32 | 78E | 124 | |||
| 5 | A – 2 | -16 | 10W | 212 | |||
| 6 | C – 3 | -14 | 45W | 247 | |||
| 7 | D – 11 | 11 | 36W | 238 | |||
| 8 | C – 7 | 22 | 32W | 234 | |||
| 9 | H – 8 | 15 | 2W | 204 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.