Daily Sunspot Evaluation
Observation Sheet Friday, 23 August 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)
- 99
- Relative number (R)
- 169
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 7 | 40E | 285 ⚠ | |||
| 2 | D – 22 | -19 | 19E | 310 | |||
| 3 | A – 3 | -33 | 30E | 299 | |||
| 4 | D – 35 | -11 | 44W | 13 | |||
| 5 | ? – 6 | -15 | 71W | 40 | |||
| 6 | J – 2 | 7 | 51W | 20 | |||
| 7 | C – 29 | 27 | 12W | 341 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.