Daily Sunspot Evaluation
Observation Sheet Saturday, 16 May 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)
- 9
- Number of spots (f)
- 82
- Relative number (R)
- 172
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590516.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 21 | 70E | ||||
| 2 | J – 2 | -7 | 52E | ||||
| 3 | D – 6 | -18 | 70W | ||||
| 4 | ? – 1 | 11 | 83W | ||||
| 5 | D – 7 | 8 | 21W | ||||
| 6 | J – 3 | 26 | 56W | ||||
| 7 | E – 51 | 17 | 22W | ||||
| 8 | H – 10 | 19 | 6W | ||||
| 9 | A – 1 | 26 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.