Daily Sunspot Evaluation
Observation Sheet Sunday, 6 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)
- 4
- Number of spots (f)
- 22
- Relative number (R)
- 62
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 8 | -17 | 49W | 170 | 51W | 7.5 | 39 |
| 2 | AXX – 1 | -7 | 13W | 134 | 15W | 41 | |
| 3 | DKC – 12 | -18 | 04W | 125 | 06W | 11 | 42 |
| 4 | AXX – 1 | -9 | 08E | 113 | 06E | 0.5 | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.