Daily Sunspot Evaluation
Observation Sheet Saturday, 8 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)
- 13
- Number of spots (f)
- 178
- Relative number (R)
- 308
- Observer
- AB
- Reading
- all checks consistent
- File
- 19580308.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 3 | 23 | 7E | ||||
| 2 | A – 1 | 23 | 45E | ||||
| 3 | A – 3 | 15 | 47E | ||||
| 4 | A – 1 | 11 | 40E | ||||
| 5 | C – 13 | 11 | 57E | ||||
| 6 | A – 2 | -25 | 21E | ||||
| 7 | B – 9 | -11 | 6W | ||||
| 8 | F – 89 | -16 | 13W | ||||
| 9 | ? – 1 | -14 | 85W | ||||
| 10 | A – 1 | -8 | 13W | ||||
| 11 | D – 25 | 24 | 30W | ||||
| 12 | E – 27 | 32 | 14W | ||||
| 13 | B – 3 | 17 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.