Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 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)
- 18
- Number of spots (f)
- 114
- Relative number (R)
- 294
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580805.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 35 | 5E | ||||
| 2 | B – 6 | 41 | 11E | ||||
| 3 | C – 16 | 22 | 39E | ||||
| 4 | C – 6 | -12 | 56E | ||||
| 5 | ? – 1 | -23 | 83E | ||||
| 6 | A – 1 | -22 | 59E | ||||
| 7 | J – 3 | -25 | 18W | ||||
| 8 | B – 8 | -8 | 16W | ||||
| 9 | C – 16 | -10 | 26W | ||||
| 10 | H – 1 | -10 | 47W | ||||
| 11 | J – 1 | 4 | 77W | ||||
| 12 | B – 10 | 7 | 65W | ||||
| 13 | C – 13 | 14 | 44WE | ||||
| 14 | ? – 1 | 18 | 83W | ||||
| 15 | C – 11 | 27 | 49W | ||||
| 16 | B – 5 | 24 | 22W | ||||
| 17 | B – 5 | 24 | 8W | ||||
| 18 | B – 9 | 34 | 3W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.