Daily Sunspot Evaluation
Observation Sheet Friday, 7 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)
- 105
- Relative number (R)
- 225
- Observer
- BG
- Reading
- all checks consistent
- File
- 19590807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 28 | 34E | ||||
| 2 | H – 9 | 20 | 32E | ||||
| 3 | B – 11 | 16 | 24E | ||||
| 4 | H – 13 | 15 | 48E | ||||
| 5 | E – 23 | -2 | 6E | ||||
| 6 | H – 14 | -9 | 23E | ||||
| 7 | H – 1 | -12 | 12E | ||||
| 8 | B – 4 | -21 | 41W | ||||
| 9 | A – 6 | -13 | 48W | ||||
| 10 | E – 8 | 4 | 57W | ||||
| 11 | B – 4 | 11 | 12W | ||||
| 12 | C – 5 | 30 | 13W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.