Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 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)
- 16
- Number of spots (f)
- 82
- Relative number (R)
- 242
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | 14 | 3E | ||||
| 2 | H – 4 | 21 | 4E | ||||
| 3 | F – 38 | 17 | 14E | ||||
| 4 | H – 7 | 10 | 38E | ||||
| 5 | A – 2 | 12 | 56E | ||||
| 6 | A – 2 | 17 | 69E | ||||
| 7 | ? – 2 | 11 | 83E | ||||
| 8 | ? – 1 | 4 | 76E | ||||
| 9 | ? – 1 | -16 | 73E | ||||
| 10 | C – 5 | -5 | 12W | ||||
| 11 | A – 2 | 7 | 70W | ||||
| 12 | B – 3 | 8 | 45W | ||||
| 13 | B – 2 | 10 | 57W | ||||
| 14 | C – 3 | 17 | 66W | ||||
| 15 | C – 2 | 23 | 46W | ||||
| 16 | A – 2 | 15 | 11W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.