Daily Sunspot Evaluation
Observation Sheet Sunday, 3 September 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)
- 10
- Number of spots (f)
- 140
- Relative number (R)
- 240
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670903.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 53 | 26 | 11E | 323 | |||
| 2 | A – 3 | 22 | 32E | 302 | |||
| 3 | E – 33 | 15 | 36E | 298 | |||
| 4 | ? – 1 | -22 | 70E | 264 | |||
| 5 | C – 23 | -22 | 44E | 290 | |||
| 6 | D – 17 | -2 | 5W5E | 339 | |||
| 7 | J – 2 | -28 | 43W | 337 ⚠ | |||
| 8 | C – 3 | -20 | 61W | 35 | |||
| 9 | C – 2 | -18 | 64W | 38 | |||
| 10 | A – 3 | 8 | 57W | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.