Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 March 1973
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)
- 4
- Number of spots (f)
- 45
- Relative number (R)
- 85
- Observer
- ED
- Reading
- all checks consistent
- File
- 19730314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 16 | -13 | 02W | 330 | 44 | ||
| 2 | J – 4 | -18 | 50W | 18 | 41 | ||
| 3 | E – 19 | -8 | 13W | 341 | 45 | ||
| 4 | C – 6 | 12 | 60W | 28 | 42 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.