Daily Sunspot Evaluation
Observation Sheet Thursday, 19 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)
- 24
- Relative number (R)
- 114
- Observer
- SG
- Reading
- all checks consistent
- File
- 19591119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 32 | 2E | ||||
| 2 | A – 3 | 18 | 8E | ||||
| 3 | J – 3 | 11 | 26E | ||||
| 4 | ? – 2 | 15 | 85E | ||||
| 5 | B – 2 | 10 | 44E | ||||
| 6 | A – 3 | -20 | 12W | ||||
| 7 | ? – 1 | -16 | 88W | ||||
| 8 | J – 2 | 20 | 71W | ||||
| 9 | I – 1 | 13 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.