Daily Sunspot Evaluation
Observation Sheet Monday, 23 June 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)
- 101
- Relative number (R)
- 251
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580623.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 25 | 32E | ||||
| 2 | E – 30 | 13 | 19E | ||||
| 3 | B – 2 | 17 | 61E | ||||
| 4 | ? – 1 | 8 | 86E | ||||
| 5 | ? – 1 | -5 | 86E | ||||
| 6 | A – 3 | -9 | 40E | ||||
| 7 | A – 6 | -13 | 58E | ||||
| 8 | ? – 5 | -20 | 80E | ||||
| 9 | E – 34 | -14 | 36E | ||||
| 10 | J – 1 | -26 | 59W | ||||
| 11 | C – 2 | 4 | 54W | ||||
| 12 | J – 2 | 7 | 19W | ||||
| 13 | H – 4 | 15 | 23W | ||||
| 14 | A – 3 | 18 | 11W | ||||
| 15 | A – 4 | 22 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.