Daily Sunspot Evaluation
Observation Sheet Friday, 19 February 1982
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)
- 6
- Number of spots (f)
- 54
- Relative number (R)
- 114
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820219.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 30 | 4 | 22W | 110 | 35W | 8 | 73 |
| 2 | HSX – 1 | 5 | 09W | 97 | 12W | 2 | 72 |
| 3 | EAC – 19 | 12 | 24E | 64 | 21E | 12 | 74 |
| 4 | AXX – 2 | 4 | 70E | 18 | 67E | 2 | 78 |
| 5 | AXX – 1 | -23 | 08W | 96 | 11W | - | 79 |
| 6 | HAX – 1 | -13 | 80E | 8 | 71E | 2 | 77 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.