Daily Sunspot Evaluation
Observation Sheet Saturday, 1 January 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)
- 5
- Number of spots (f)
- 16
- Relative number (R)
- 66
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HHX – 1 | 5 | 23E | 225 | 21E | 3° | 1 |
| 2 | DAI – 7 | -12 | 66W | 314 | 68W | 9.5 | 5 |
| 3 | CAI – 3 | -14 | 53W | 301 | 55W | 4 | 9 |
| 4 | DAO – 3 | -15 | 33W | 281 | 35W | 5.5 | 3 |
| 5 | HAX – 2 | -18 | 33W | 281 | 35W | 2 | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.