Daily Sunspot Evaluation
Observation Sheet Thursday, 5 October 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)
- 60
- Relative number (R)
- 160
- Observer
- SB
- Reading
- all checks consistent
- File
- 19671005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 12 | 40E | 232 | |||
| 2 | J – 1 | -27 | 49E | 225 | |||
| 3 | H – 5 | -18 | 11E | 261 | |||
| 4 | A – 2 | -29 | 18W | 290 | |||
| 5 | D – 21 | -16 | 22W | 294 | |||
| 6 | A – 2 | -15 | 27W | 299 | |||
| 7 | D – 14 | -18 | 43W | 315 | |||
| 8 | H – 1 | 11 | 58W | 330 | |||
| 9 | ? – 5 | 14 | 80W | 352 | |||
| 10 | C – 8 | 22 | 47W | 319 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.