Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 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)
- 7
- Number of spots (f)
- 20
- Relative number (R)
- 90
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 24 | 30E | ||||
| 2 | J – 1 | 19 | 34E | ||||
| 3 | J – 1 | 9 | 10W | ||||
| 4 | H – 6 | 11 | 32W | ||||
| 5 | J – 2 | 10 | 66W | ||||
| 6 | G – 3 | 26 | 39W | ||||
| 7 | H – 4 | 31 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.