Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 May 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)
- 106
- Relative number (R)
- 216
- Observer
- SK
- Reading
- all checks consistent
- File
- 19670523.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 10 | 25 | 14°E | 241 | |||
| 2 | H – 1 | 21 | 16°E | 239 | |||
| 3 | F – 76 | 26 | 30°E | 225 | |||
| 4 | ? – 1 | 22 | 88°E | 267 | |||
| 5 | H – 3 | 10 | 58°E | 297 | |||
| 6 | H – 1 | -16 | 36°E | 219 | |||
| 7 | A – 2 | -26 | 29°E | 226 | |||
| 8 | C – 4 | -15 | 26°W | 281 | |||
| 9 | C – 6 | -26 | 68°W | 323 | |||
| 10 | J – 1 | -13 | 33°W | 288 | |||
| 11 | J – 1 | 26 | 70°W | 325 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.