Daily Sunspot Evaluation
Observation Sheet Friday, 19 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)
- 6
- Number of spots (f)
- 41
- Relative number (R)
- 101
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 22 | 40E | 269 | |||
| 2 | ? – 4 | 25 | 13E | 236 ⚠ | |||
| 3 | D – 15 | -17 | 31E | 279 | |||
| 4 | J – 6 | -13 | 22E | 287 | |||
| 5 | C – 11 | -15 | 29W | 337 | |||
| 6 | F – 2 | 22 | 19W | 328 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.