Daily Sunspot Evaluation
Observation Sheet Saturday, 8 August 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)
- 12
- Number of spots (f)
- 104
- Relative number (R)
- 224
- Observer
- AB
- Reading
- all checks consistent
- File
- 19590808.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 16 | 9E | ||||
| 2 | D – 9 | 27 | 22E | ||||
| 3 | H – 6 | 20 | 19E | ||||
| 4 | C – 17 | 16 | 36E | ||||
| 5 | C – 15 | -8 | 10E | ||||
| 6 | J – 2 | -12 | 2W | ||||
| 7 | A – 1 | -19 | 58W | ||||
| 8 | B – 6 | -11 | 61W | ||||
| 9 | E – 26 | 1 | 8W | ||||
| 10 | H – 6 | 5 | 68W | ||||
| 11 | B – 9 | 12 | 22W | ||||
| 12 | A – 2 | 30 | 26W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



