Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 16
- Number of spots (f)
- 119
- Relative number (R)
- 279
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580804.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 35 | 15E | ||||
| 2 | B – 6 | 42 | 25E | ||||
| 3 | A – 3 | 20 | 52E | ||||
| 4 | A – 2 | 9 | 28E | ||||
| 5 | C – 4 | -12 | 70E | ||||
| 6 | A – 1 | -27 | 1E | ||||
| 7 | J – 1 | -24 | 5W | ||||
| 8 | C – 31 | -8 | 8W | ||||
| 9 | A – 3 | -9 | 26W | ||||
| 10 | H – 1 | -10 | 33W | ||||
| 11 | J – 1 | 4 | 63W | ||||
| 12 | B – 12 | 8 | 63W | ||||
| 13 | H – 3 | 17 | 69W | ||||
| 14 | E – 21 | 15 | 30W | ||||
| 15 | E – 18 | 26 | 34W | ||||
| 16 | B – 7 | 27 | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.