Daily Sunspot Evaluation
Observation Sheet Friday, 25 August 1967
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)
- 11
- Number of spots (f)
- 153
- Relative number (R)
- 263
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 88 | 23 | 06E | 88 | |||
| 2 | D – 23 | 13 | 12E | 82 | |||
| 3 | A – 2 | 17 | 25E | 69 | |||
| 4 | J – 1 | 14 | 25E | 63 ⚠ | |||
| 5 | A – 1 | 15 | 75E | 18 | |||
| 6 | D – 13 | -20 | 11E | 83 | |||
| 7 | J – 2 | -31 | 70W | 164 | |||
| 8 | A – 1 | 10 | 11W | 155 ⚠ | |||
| 9 | A – 1 | 22 | 11W | 105 | |||
| 10 | B – 14 | 27 | 04W | 98 | |||
| 11 | B – 7 | 24 | 02W | 36 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.