Daily Sunspot Evaluation
Observation Sheet Friday, 6 January 1984
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)
- 6
- Relative number (R)
- 36
- Observer
- HM
- Reading
- all checks consistent
- File
- 19840106.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 4 | -38 | 21E | 8 | 21E | 1 | 2) |
| 2 | MAX – 1 | -3 | 65E | 324 | 65E | 3.5 | 3) |
| 3 | MAX – 1 | -5 | 74E | 315 | 74E | 2 | 4) |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.