Daily Sunspot Evaluation
Observation Sheet Sunday, 10 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)
- 10
- Number of spots (f)
- 175
- Relative number (R)
- 275
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 38 | 12 | 2E | ||||
| 2 | E – 34 | 38 | 19E | ||||
| 3 | F – 49 | 17 | 56E | ||||
| 4 | C – 2 | 19 | 32E | ||||
| 5 | C – 7 | 11 | 61E | ||||
| 6 | A – 1 | -18 | 74E | ||||
| 7 | E – 22 | -18 | 8E | ||||
| 8 | A – 2 | -21 | 6W | ||||
| 9 | D – 17 | -14 | 10W | ||||
| 10 | H – 3 | 14 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.