Daily Sunspot Evaluation
Observation Sheet Saturday, 5 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)
- 7
- Number of spots (f)
- 61
- Relative number (R)
- 131
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 7 | 82W | 216 | 35W | 33 | |
| 2 | BXO – 2 | -13 | 48W | 182 | 51W | 3.25 | 37 |
| 3 | AXX – 1 | -11 | 41W | 175 | 44W | 38 | |
| 4 | DKC – 28 | -18 | 34W | 168 | 32W | 8 | 39 |
| 5 | AXX – 3 | -7 | 03E | 131 | 00 | 0.75 | 41 |
| 6 | DAC – 21 | -18 | 12E | 122 | 09E | 7.75 | 42 |
| 7 | DAO – 4 | -10 | 22E | 112 | 19E | 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.