Daily Sunspot Evaluation
Observation Sheet Thursday, 24 January 1985
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)
- 2
- Number of spots (f)
- 13
- Relative number (R)
- 33
- Observer
- HM
- Reading
- all checks consistent
- File
- 19850124.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 5 | 5 | 19W | 24 | 22W | 25 | |
| 2 | EAS – 8 | -10 | 69W | 74 | 72W | 13 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.