Daily Sunspot Evaluation
Observation Sheet Wednesday, 18 November 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)
- 9
- Number of spots (f)
- 18
- Relative number (R)
- 108
- Observer
- SG
- Reading
- all checks consistent
- File
- 19591118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 31 | 15E | ||||
| 2 | J – 1 | 13 | 11E | ||||
| 3 | J – 6 | 10 | 40E | ||||
| 4 | A – 1 | 9 | 49E | ||||
| 5 | A – 1 | -9 | 20W | ||||
| 6 | J – 2 | -16 | 73W | ||||
| 7 | A – 2 | -1 | 21W | ||||
| 8 | ? – 1 | 7 | 83W | ||||
| 9 | G – 2 | 20 | 57W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.