Daily Sunspot Evaluation
Observation Sheet Monday, 24 April 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)
- 7
- Number of spots (f)
- 27
- Relative number (R)
- 97
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670424.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 6 | 26 | 47E | 233 | |||
| 2 | B – 4 | -14 | 03E | 277 | |||
| 3 | B – 4 | -26 | 60W | 249 ⚠ | |||
| 4 | J – 7 | -22 | 12W | 292 | |||
| 5 | J – 2 | 27 | 63W | 343 | |||
| 6 | H – 2 | 24 | 12W | 232 ⚠ | |||
| 7 | A – 2 | 28 | 10W | 230 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.