Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 March 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)
- 11
- Number of spots (f)
- 144
- Relative number (R)
- 254
- Observer
- AB
- Reading
- all checks consistent
- File
- 19580326.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 19 | 11E | ||||
| 2 | B – 6 | 19 | 29E | ||||
| 3 | C – 21 | -7 | 18E | ||||
| 4 | D – 12 | -8 | 40E | ||||
| 5 | F – 29 | -14 | 37E | ||||
| 6 | F – 23 | -22 | 57E | ||||
| 7 | J – 1 | -16 | 52W | ||||
| 8 | A – 1 | -8 | 19W | ||||
| 9 | J – 1 | 9 | 35W | ||||
| 10 | E – 27 | 22 | 45W | ||||
| 11 | E – 20 | 24 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.