Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 September 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)
- 13
- Number of spots (f)
- 114
- Relative number (R)
- 244
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 15 | 28 | 30E | ||||
| 2 | A – 4 | 24 | 15E | ||||
| 3 | A – 7 | 19 | 24E | ||||
| 4 | H – 16 | -9 | 28E | ||||
| 5 | B – 18 | -11 | 40E | ||||
| 6 | B – 3 | -11 | 5W | ||||
| 7 | C – 13 | -11 | 29W | ||||
| 8 | C – 9 | -15 | 51W | ||||
| 9 | ? – 2 | 5 | 78W | ||||
| 10 | B – 6 | 3 | 2W | ||||
| 11 | C – 12 | 15 | 35W | ||||
| 12 | B – 6 | 15 | 18W | ||||
| 13 | A – 3 | 28 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.