Daily Sunspot Evaluation
Observation Sheet Monday, 16 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)
- 8
- Number of spots (f)
- 44
- Relative number (R)
- 124
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 31 | 16 | 19E | ||||
| 2 | ? – 1 | 6 | 74E | ||||
| 3 | G – 3 | -27 | 32E | ||||
| 4 | B – 2 | -21 | 9E | ||||
| 5 | A – 1 | -14 | 15W | ||||
| 6 | A – 1 | -25 | 65W | ||||
| 7 | A – 1 | -18 | 57W | ||||
| 8 | ? – 4 | 28 | 75W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.