Daily Sunspot Evaluation
Observation Sheet Thursday, 4 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)
- 10
- Number of spots (f)
- 57
- Relative number (R)
- 157
- Observer
- GT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19820204.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 12 | 12 | 46W | 323 ⚠ | 48W | 15 | 48 |
| 2 | HSX – 1 | 10 | 31W | 314 | 33W | 2 | 46 |
| 3 | HSX – 1 | 16 | 20W | 303 | 22W | 1.5 | 45 |
| 4 | AXX – 2 | 16 | 13W | 296 | 15W | 2.5 | 56 |
| 5 | BXO – 3 | 15 | 04W | 287 | 06W | 5 | 55 |
| 6 | FKC – 17 | -12 | 41W | 324 | 43W | 18.5 | 47 |
| 7 | DAI – 12 | -18 | 08W | 291 | 10W | 6 | 44 |
| 8 | AXY – 4 | -13 | 05W | 288 | 07W | 1.5 | 42 |
| 9 | HAX – 1 | -21 | 01W | 284 | 03W | 1.5 | 57 |
| 10 | DKO – 4 | -11 | 74E | 203 ⚠ | 72E | 7 | 53 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.