Daily Sunspot Evaluation
Observation Sheet Monday, 26 May 1958
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)
- 15
- Number of spots (f)
- 71
- Relative number (R)
- 221
- Observer
- AB
- Reading
- all checks consistent
- File
- 19580526.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 25 | 0 | ||||
| 2 | H – 3 | 10 | 8E | ||||
| 3 | B – 3 | 20 | 18E | ||||
| 4 | T – 3 | 21 | 32E | ||||
| 5 | A – 2 | 26 | 46E | ||||
| 6 | ? – 1 | -14 | 80E | ||||
| 7 | E – 14 | -15 | 44E | ||||
| 8 | A – 1 | -27 | 21E | ||||
| 9 | T – 5 | -15 | 10E | ||||
| 10 | A – 2 | -30 | 42W | ||||
| 11 | ? – 1 | -23 | 77W | ||||
| 12 | B – 6 | -10 | 41W | ||||
| 13 | C – 10 | 10 | 54W | ||||
| 14 | T – 1 | 23 | 38W | ||||
| 15 | B – 15 | 7 | 10W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



