Daily Sunspot Evaluation
Observation Sheet Friday, 14 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)
- 9
- Number of spots (f)
- 119
- Relative number (R)
- 209
- Observer
- ET
- Reading
- all checks consistent
- File
- 19580314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 35 | 68E | ||||
| 2 | A – 1 | 18 | 32E | ||||
| 3 | C – 3 | 16 | 42E | ||||
| 4 | E – 15 | 12 | 55E | ||||
| 5 | ? – 1 | -24 | 84E | ||||
| 6 | C – 17 | -13 | 26W | ||||
| 7 | ? – 12 | 22 | 70W | ||||
| 8 | E – 31 | 13 | 28W | ||||
| 9 | F – 38 | 13 | 11W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.