Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 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)
- 13
- Number of spots (f)
- 74
- Relative number (R)
- 204
- Observer
- AB
- Reading
- all checks consistent
- File
- 19590527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 23 | 16E | ||||
| 2 | A – 1 | 19 | 14E | ||||
| 3 | C – 8 | 16 | 38E | ||||
| 4 | A – 1 | -22 | 71E | ||||
| 5 | B – 2 | -35 | 48E | ||||
| 6 | E – 25 | -16 | 6W | ||||
| 7 | E – 18 | 2 | 17W | ||||
| 8 | A – 1 | 10 | 44W | ||||
| 9 | ? – 1 | 16 | 80W | ||||
| 10 | C – 7 | 14 | 30W | ||||
| 11 | J – 1 | 12 | 22W | ||||
| 12 | A – 1 | 25 | 18W | ||||
| 13 | D – 7 | 11 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.