Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 8
- Number of spots (f)
- 52
- Relative number (R)
- 132
- Observer
- LT
- Reading
- all checks consistent
- File
- 19671001.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | 21 | 10E | 314 | |||
| 2 | ? – 8 | -21 | 70E | 254 | |||
| 3 | H – 10 | -20 | 33E | 291 | |||
| 4 | A – 1 | -20 | 49W | 13 | |||
| 5 | A – 1 | 11 | 59W | 23 | |||
| 6 | D – 19 | 14 | 20W | 344 | |||
| 7 | A – 2 | 12 | 19W | 342 | |||
| 8 | H – 5 | 13 | PW | 325 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.