Daily Sunspot Evaluation
Observation Sheet Sunday, 10 February 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)
- 9
- Relative number (R)
- 29
- Observer
- HG
- Reading
- all checks consistent
- File
- 19850210.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 6 | 110 | 22W | 162 | 24W | 2 | |
| 2 | HAX – 3 | -12 | 62E | 78 | 60E | 2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.