Daily Sunspot Evaluation
Observation Sheet Friday, 11 August 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)
- 85
- Relative number (R)
- 155
- Observer
- SK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670811.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 26 | 08E | 275 | |||
| 2 | A – 2 | 28 | 12E | 266 ⚠ | |||
| 3 | H – 4 | -19 | 38E | 248 ⚠ | |||
| 4 | H – 10 | -22 | 48E | 268 ⚠ | |||
| 5 | B – 5 | -25 | 45W | 327 | |||
| 6 | E – 18 | 24 | 58W | 328 ⚠ | |||
| 7 | E – 44 | 26 | 18W | 236 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.