Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 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)
- 15
- Number of spots (f)
- 106
- Relative number (R)
- 256
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 26 | 9E | ||||
| 2 | J – 1 | 27 | 16E | ||||
| 3 | C – 11 | 36 | 29E | ||||
| 4 | A – 2 | 18 | 36E | ||||
| 5 | F – 60 | 12 | 30E | ||||
| 6 | C – 4 | 13 | 48E | ||||
| 7 | B – 5 | 8 | 61E | ||||
| 8 | J – 1 | 6 | 22E | ||||
| 9 | ? – 4 | 3 | 72E | ||||
| 10 | C – 3 | -17 | 10W | ||||
| 11 | A – 2 | -21 | 59W | ||||
| 12 | G – 4 | -6 | 63W | ||||
| 13 | A – 3 | 8 | 20W | ||||
| 14 | J – 1 | 19 | 57W | ||||
| 15 | H – 3 | 25 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.