Daily Sunspot Evaluation
Observation Sheet Monday, 11 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)
- 4
- Relative number (R)
- 24
- Observer
- TS
- Reading
- all checks consistent
- File
- 19850211.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 10 | 36W | 162 | 38W | 25 1 | |
| 2 | HAX – 2 | -12 | 46E | 80 | 44E | 2 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.