Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 February 1983
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)
- 5
- Relative number (R)
- 35
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | 13 | 45E | 226 | 42E | 4.5 | 50 |
| 2 | ARX – 1 | -13 | 04E | 267 | 01E | 0.5 | 48 |
| 3 | HSX – 1 | -9 | 21E | 250 | 12E | 1.75 | 49 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.