Daily Sunspot Evaluation
Observation Sheet Friday, 28 August 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)
- 264
- Relative number (R)
- 424
- Observer
- FY
- Reading
- all checks consistent
- File
- 19590828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 11 | 8E | ||||
| 2 | C – 9 | 19 | 37E | ||||
| 3 | ? – 3 | 18 | 80E | ||||
| 4 | E – 17 | 11 | 67E | ||||
| 5 | D – 14 | 19 | 52E | ||||
| 6 | H – 3 | 5 | 13E | ||||
| 7 | D – 7 | -4 | 47E | ||||
| 8 | A – 2 | -11 | 32E | ||||
| 9 | A – 1 | -17 | 42E | ||||
| 10 | F – 104 | -11 | 6E | ||||
| 11 | H – 7 | 8 | 2W | ||||
| 12 | A – 1 | 8 | 10W | ||||
| 13 | E – 32 | 15 | 43W | ||||
| 14 | C – 11 | 17 | 34W | ||||
| 15 | E – 29 | 25 | 11WE | ||||
| 16 | C – 19 | 12 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.