Daily Sunspot Evaluation
Observation Sheet Wednesday, 5 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)
- 12
- Number of spots (f)
- 104
- Relative number (R)
- 224
- Observer
- ET
- Reading
- all checks consistent
- File
- 19580305.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 7 | 33 | 23E | ||||
| 2 | D – 13 | 24 | 10E | ||||
| 3 | C – 2 | 18 | 37E | ||||
| 4 | A – 2 | 23 | 48E | ||||
| 5 | F – 54 | -12 | 28E | ||||
| 6 | A – 1 | -9 | 24E | ||||
| 7 | A – 1 | -12 | 17E | ||||
| 8 | A – 2 | -16 | 12E | ||||
| 9 | D – 8 | -24 | 53W | ||||
| 10 | D – 12 | -12 | 49W | ||||
| 11 | A – 1 | -11 | 42W | ||||
| 12 | A – 1 | -5 | 52W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.