Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 3
- Relative number (R)
- 33
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19840107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 1 | -5 | 19E | 359 | 17E | 2 | |
| 2 | HAX – 1 | -2 | 55E | 323 | 53E | 1 | 3 |
| 3 | HAX – 1 | -5 | 64E | 314 | 62E | 2.4 | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.