Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 11
- Number of spots (f)
- 150
- Relative number (R)
- 260
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580814.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 8 | 16 | 16E | ||||
| 2 | B – 6 | 16 | 25E | ||||
| 3 | B – 4 | 4 | 27E | ||||
| 4 | A – 1 | -17 | 3E | ||||
| 5 | A – 3 | -7 | 7W | ||||
| 6 | F – 44 | -13 | 23WE | ||||
| 7 | E – 53 | -23 | 34WE | ||||
| 8 | C – 15 | -12 | 68W | ||||
| 9 | ? – 1 | 21 | 87WE | ||||
| 10 | A – 1 | 17 | 33W | ||||
| 11 | H – 14 | 45 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.