Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 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)
- 12
- Number of spots (f)
- 116
- Relative number (R)
- 236
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 44 | 17 | 03E | 251 | |||
| 2 | C – 5 | 12 | 14E | 240 | |||
| 3 | C – 10 | 18 | 27E | 227 | |||
| 4 | C – 12 | 12 | 56E | 198 | |||
| 5 | B – 11 | 11 | 15E | 239 | |||
| 6 | C – 10 | 11 | 44E | 210 | |||
| 7 | ? – 1 | -16 | 75E | 182 | |||
| 8 | B – 3 | -17 | 03W | 257 | |||
| 9 | A – 3 | -10 | 58W | 312 | |||
| 10 | A – 1 | 2 | 22W | 276 | |||
| 11 | H – 1 | 18 | 42W | 296 | |||
| 12 | B – 15 | 22 | 43W | 297 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.