Daily Sunspot Evaluation
Observation Sheet Monday, 3 October 1966
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)
- 4
- Number of spots (f)
- 21
- Relative number (R)
- 61
- Observer
- SB
- Reading
- all checks consistent
- File
- 19661003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 9 | 32 | 80E | 355 | |||
| 2 | A – 2 | -22 | 29E | 46 | |||
| 3 | D – 9 | -45 | 43W | 118 | |||
| 4 | ? – 1 | -16 | 82W | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.