Daily Sunspot Evaluation
Observation Sheet Sunday, 4 October 1959
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)
- 30
- Relative number (R)
- 130
- Observer
- AB
- Reading
- all checks consistent
- File
- 19591004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 24 | 10E | ||||
| 2 | B – 3 | 30 | 25E | ||||
| 3 | J – 2 | 7 | 53E | ||||
| 4 | J – 1 | -18 | 59E | ||||
| 5 | A – 1 | -10 | 27E | ||||
| 6 | C – 8 | -18 | 39E | ||||
| 7 | C – 8 | -18 | 24E | ||||
| 8 | J – 1 | -6 | 58W | ||||
| 9 | G – 3 | 8 | 64W | ||||
| 10 | A – 1 | 18 | 43W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.