Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 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)
- 9
- Relative number (R)
- 39
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | -2 | 11E | 326 | 11E | 1 | 3) |
| 2 | CAO – 7 | -6 | 21E | 316 | 21E | 4 | 4) |
| 3 | HAX – 1 | -14 | 66E | 271 | 66E | 3.5 | 7) |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.