Daily Sunspot Evaluation
Observation Sheet Sunday, 28 August 1960
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)
- 30
- Relative number (R)
- 110
- Observer
- KA
- Reading
- all checks consistent
- File
- 19600828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 24 | 9E | ||||
| 2 | B – 8 | 18 | 41E | ||||
| 3 | B – 5 | -17 | 13E | ||||
| 4 | H – 3 | -16 | 61W | ||||
| 5 | B – 3 | -6 | 68W | ||||
| 6 | D – 3 | -9 | 66W | ||||
| 7 | B – 6 | 28 | 57W | ||||
| 8 | J – 1 | 9 | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.