Daily Sunspot Evaluation
Observation Sheet Saturday, 19 March 1983
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)
- 32
- Relative number (R)
- 72
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 23 | -12 | 05W | 307 | 02W | 7.5 | 64 |
| 2 | CKI – 6 | -7 | 17E | 285 | 14E | 7 | 65 |
| 3 | HAX – 1 | -11 | 31E | 271 | 22E | 0.75 | 67 |
| 4 | ? – 2 | -13 | 72E | 230 | 69E | 6.5 | 68 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.