Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 12
- Number of spots (f)
- 114
- Relative number (R)
- 234
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 34 | 26 | 0 | 321 | |||
| 2 | A – 2 | 32 | 5E | 316 | |||
| 3 | C – 14 | 21 | 19E | 302 | |||
| 4 | D – 23 | 14 | 23E | 298 | |||
| 5 | B – 2 | 24 | 49E | 272 | |||
| 6 | J – 2 | -22 | 57E | 284 ⚠ | |||
| 7 | B – 19 | -21 | 30E | 291 | |||
| 8 | D – 12 | -20 | 9W | 330 | |||
| 9 | J – 2 | -29 | 15W | 336 | |||
| 10 | A – 2 | -29 | 46W | 7 | |||
| 11 | ? – 1 | -22 | 80W | 41 | |||
| 12 | ? – 1 | -19 | 80W | 41 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.