Daily Sunspot Evaluation
Observation Sheet Friday, 24 July 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)
- 8
- Number of spots (f)
- 27
- Relative number (R)
- 107
- Observer
- BG
- Reading
- all checks consistent
- File
- 19590724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 10 | 24 | 5E | ||||
| 2 | H – 1 | 18 | 8E | ||||
| 3 | ? – 8 | 25 | 31E | ||||
| 4 | J – 1 | -17 | 57E | ||||
| 5 | A – 1 | 9 | 37W | ||||
| 6 | H – 2 | 11 | 59W | ||||
| 7 | H – 2 | 26 | 67W | ||||
| 8 | J – 2 | 31 | 58W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.