Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 December 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)
- 3
- Number of spots (f)
- 12
- Relative number (R)
- 42
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19831206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 4 | -20 | 41W | 121 | 44W | 3 | 331 |
| 2 | HAX – 3 | -3 | 57E | 23 | 54E | 3 | 330 |
| 3 | DAC – 5 | -13 | 63E | 17 | 60E | 5.5 | 332 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.