Daily Sunspot Evaluation
Observation Sheet Sunday, 26 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)
- 11
- Number of spots (f)
- 30
- Relative number (R)
- 140
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590726.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 36 | 66E | ||||
| 2 | J – 2 | 26 | 56E | ||||
| 3 | C – 5 | 24 | 42E | ||||
| 4 | E – 12 | 12 | 68E | ||||
| 5 | J – 1 | 6 | 61E | ||||
| 6 | J – 1 | -17 | 30E | ||||
| 7 | A – 1 | -7 | 21W | ||||
| 8 | A – 2 | 9 | 65W | ||||
| 9 | ? – 2 | 11 | 85W | ||||
| 10 | J – 1 | 23 | 22W | ||||
| 11 | H – 1 | 18 | 18W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.