Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 June 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)
- 10
- Number of spots (f)
- 66
- Relative number (R)
- 166
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 17 | 17 | 12°E | 295 | |||
| 2 | C – 2 | 18 | 54E | 25 ⚠ | |||
| 3 | C – 9 | -14 | 61E | 244 | |||
| 4 | D – 18 | -33 | 14W | 319 | |||
| 5 | A – 3 | -15 | 5W | 314 ⚠ | |||
| 6 | J – 1 | -11 | 24W | 328 | |||
| 7 | C – 13 | 11 | 29W | 334 | |||
| 8 | A – 1 | 18 | 60W | 25 ⚠ | |||
| 9 | J – 1 | 26 | 70W | 15 | |||
| 10 | A – 1 | 33 | 48W | 353 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.