Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 October 1961
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)
- 6
- Number of spots (f)
- 29
- Relative number (R)
- 89
- Observer
- ET
- Reading
- all checks consistent
- File
- 19611003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 17 | 59E | ||||
| 2 | B – 8 | -13 | 11E | ||||
| 3 | B – 3 | 7 | 36W | ||||
| 4 | A – 4 | 12 | 31W | ||||
| 5 | C – 9 | 14 | 19W | ||||
| 6 | A – 1 | 17 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.