Daily Sunspot Evaluation
Observation Sheet Sunday, 19 December 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)
- 5
- Number of spots (f)
- 18
- Relative number (R)
- 68
- Observer
- OG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19821219.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 2 | 10 | 62W | 115 ⚠ | 72W | 6 | 472 |
| 2 | DKO – 4 | -7 | 73W | 89 ⚠ | 76W | 9 | 477 |
| 3 | LAE – 8 | -8 | 32W | 78 | 35W | 5 | 477 |
| 4 | HAX – 2 | -6 | 23E | 23 | 11E | 1 | 481 |
| 5 | DAO – 2 | -17 | 52E | 357 | 19E | 6.5 | 485 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.