Daily Sunspot Evaluation
Observation Sheet Friday, 22 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
- HM
- Reading
- all checks consistent
- File
- 19850222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 8 | 2 | 45E | 295 | 45E | 9.13 | |
| 2 | ARX – 1 | -9 | 49W | 29 | 49W | 0.5 975 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.