Daily Sunspot Evaluation
Observation Sheet Monday, 14 July 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)
- 13
- Number of spots (f)
- 60
- Relative number (R)
- 190
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 40 | 31E | ||||
| 2 | H – 1 | 16 | 11E | ||||
| 3 | ? – 1 | 20 | 85E | ||||
| 4 | C – 17 | 8 | 54E | ||||
| 5 | C – 8 | -4 | 63E | ||||
| 6 | J – 3 | -21 | 58E | ||||
| 7 | B – 7 | -26 | 21E | ||||
| 8 | A – 3 | -9 | 3W | ||||
| 9 | H – 9 | -22 | 16W | ||||
| 10 | B – 3 | -14 | 13W | ||||
| 11 | ? – 1 | -23 | 83W | ||||
| 12 | ? – 1 | 29 | 85W | ||||
| 13 | B – 5 | 29 | 49W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.