Daily Sunspot Evaluation
Observation Sheet Sunday, 23 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)
- 12
- Number of spots (f)
- 128
- Relative number (R)
- 248
- Observer
- BG
- Reading
- all checks consistent
- File
- 19590823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 23 | 34E | ||||
| 2 | A – 5 | 25 | 53E | ||||
| 3 | A – 1 | 21 | 55E | ||||
| 4 | F – 64 | 17 | 26E | ||||
| 5 | C – 12 | 17 | 47E | ||||
| 6 | J – 1 | 7 | 65E | ||||
| 7 | ? – 1 | 5 | 80E | ||||
| 8 | ? – 6 | -10 | 24E | ||||
| 9 | C – 4 | -23 | 22W | ||||
| 10 | F – 28 | 7 | 46W | ||||
| 11 | B – 2 | 10 | 12W | ||||
| 12 | B – 2 | 30 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.