Daily Sunspot Evaluation
Observation Sheet Sunday, 7 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)
- 14
- Number of spots (f)
- 122
- Relative number (R)
- 262
- Observer
- GT
- Reading
- all checks consistent
- File
- 19820207.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 5 | 8 | 68W | 314 | 71W | 8 | 46 |
| 2 | HAX – 1 | 16 | 61W | 307 | 64W | 1.5 | 45 |
| 3 | DAO – 13 | 16 | 45W | 291 | 48W | 9 | 65 |
| 4 | HAX – 1 | 0 | 61E | 185 | 58E | 1.5 | 59 |
| 5 | ? – 3 | -13 | 79W | 325 | 82W | 19 | 47 |
| 6 | CAI – 18 | -5 | 50W | 296 | 53W | 9 | 63 |
| 7 | DAI – 14 | -18 | 45W | 291 | 48W | 7 | 44 |
| 8 | ABX – 4 | -21 | 39W | 285 | 42W | 1.5 | 54 |
| 9 | BXO – 6 | -18 | 32W | 278 | 35W | 6 | 40 |
| 10 | AXX – 3 | -5 | 18W | 264 | 21W | 1.5 | 58 |
| 11 | FKC – 36 | -10 | 38E | 208 | 35E | 17E | 53 |
| 12 | DKI – 15 | -9 | 53E | 193 | 50E | 8 | 57 |
| 13 | AXX – 2 | -15 | 59E | 187 | 56E | 1 | 60 |
| 14 | HKX – 1 | -15 | 81E | 165 | 78E | 3 | 61 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.