Daily Sunspot Evaluation
Observation Sheet Saturday, 30 August 1958
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)
- 138
- Relative number (R)
- 288
- Observer
- AB
- Reading
- all checks consistent
- File
- 19580830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 36 | 6E | ||||
| 2 | E – 22 | 26 | 18E | ||||
| 3 | A – 2 | 27 | 30E | ||||
| 4 | B – 3 | 26 | 36E | ||||
| 5 | E – 26 | 15 | 19E | ||||
| 6 | C – 4 | 18 | 61E | ||||
| 7 | J – 1 | -19 | 45E | ||||
| 8 | B – 2 | -22 | 35E | ||||
| 9 | F – 59 | -8 | 17E | ||||
| 10 | H – 9 | -10 | 2E | ||||
| 11 | A – 3 | -5 | 22W | ||||
| 12 | A – 1 | -3 | 27W | ||||
| 13 | B – 2 | 5 | 41W | ||||
| 14 | A – 1 | 9 | 45W | ||||
| 15 | A – 1 | 13 | 33W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.