Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 9
- Number of spots (f)
- 35
- Relative number (R)
- 125
- Observer
- KA
- Reading
- all checks consistent
- File
- 19570304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 30 | 16E | ||||
| 2 | A – 1 | 34 | 26E | ||||
| 3 | J – 2 | -13 | 20E | ||||
| 4 | C – 7 | -20 | 36E | ||||
| 5 | ? – 2 | -27 | 78E | ||||
| 6 | A – 4 | -14 | 14W | ||||
| 7 | J – 2 | -14 | 44W | ||||
| 8 | D – 7 | 33 | 52W | ||||
| 9 | D – 6 | 21 | 22W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.