Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 14
- Number of spots (f)
- 138
- Relative number (R)
- 278
- Observer
- FY
- Reading
- all checks consistent
- File
- 19590514.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 36 | 1E | ||||
| 2 | F – 72 | 17 | 3E | ||||
| 3 | C – 15 | 8 | 7E | ||||
| 4 | H – 1 | 19 | 21E | ||||
| 5 | J – 1 | 16 | 45E | ||||
| 6 | ? – 1 | -7 | 81E | ||||
| 7 | E – 17 | -18 | 45W | ||||
| 8 | A – 1 | -18 | 63W | ||||
| 9 | C – 8 | -13 | 68W | ||||
| 10 | J – 1 | 14 | 75W | ||||
| 11 | E – 6 | 11 | 54W | ||||
| 12 | J – 1 | 10 | 29W | ||||
| 13 | A – 1 | 12 | 21W | ||||
| 14 | C – 12 | 27 | 31W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.