Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 March 1957
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)
- 10
- Number of spots (f)
- 58
- Relative number (R)
- 158
- Observer
- ET
- Reading
- all checks consistent
- File
- 19570305.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 30 | 3E | ||||
| 2 | B – 4 | 33 | 12E | ||||
| 3 | J – 1 | -13 | 8E | ||||
| 4 | A – 4 | -14 | 23E | ||||
| 5 | H – 16 | -20 | 24E | ||||
| 6 | J – 1 | -27 | 64E | ||||
| 7 | A – 6 | -14 | 27W | ||||
| 8 | A – 2 | -15 | 59W | ||||
| 9 | C – 13 | 21 | 35W | ||||
| 10 | C – 6 | 33 | 65W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.