Daily Sunspot Evaluation
Observation Sheet Wednesday, 6 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)
- 13
- Number of spots (f)
- 29
- Relative number (R)
- 159
- Observer
- DK
- Reading
- all checks consistent
- File
- 19670906.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 13 | 05°E | 234 | |||
| 2 | B – 3 | 24 | 21°E | 234 | |||
| 3 | A – 1 | 1 | +06°15°E | 224 | |||
| 4 | J – 2 | -21 | 65°E | 230 | |||
| 5 | J – 1 | -22 | 32°E | 263 | |||
| 6 | A – 2 | -23 | 10°E | 235 | |||
| 7 | J – 1 | -30 | 39°W | 334 | |||
| 8 | J – 2 | -20 | 80°W | 324 | |||
| 9 | J – 1 | -25 | 39°W | 334 | |||
| 10 | A – 1 | -15 | 60°W | 355 | |||
| 11 | H – 4 | 23 | +26°24°W | 324 | |||
| 12 | B – 5 | 13 | 07°W | 302 | |||
| 13 | A – 2 | 23 | 04°W | 299 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.