Daily Sunspot Evaluation
Observation Sheet Friday, 19 June 1959
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)
- 82
- Relative number (R)
- 232
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 8 | 7E | ||||
| 2 | A – 2 | 25 | 55E | ||||
| 3 | F – 33 | 10 | 48E | ||||
| 4 | J – 3 | 4 | 35E | ||||
| 5 | B – 4 | -5 | 52E | ||||
| 6 | B – 4 | -17 | 56E | ||||
| 7 | J – 1 | -16 | 35E | ||||
| 8 | B – 2 | -12 | 24E | ||||
| 9 | B – 2 | -15 | 6W | ||||
| 10 | A – 2 | -5 | 8W | ||||
| 11 | B – 5 | 0 | 11W | ||||
| 12 | A – 2 | 16 | 49W | ||||
| 13 | F – 17 | 19 | 27W | ||||
| 14 | A – 2 | 18 | 2W | ||||
| 15 | H – 2 | 10 | 0 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.