Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 January 1992
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)
- 8
- Number of spots (f)
- 121
- Relative number (R)
- 201
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19920107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 7 | 8 | 41°W | 13 | 43°W | 9° | 15 |
| 2 | HK – 10 | 8 | 17°E | 315 | 15°E | 6.5 | 7 |
| 3 | HS – 2 | 2 | 24°E | 308 | 22°E | 3.5 | 6 |
| 4 | CAO – 6 | 16 | 35°E | 297 | 33°E | 5° | 10 |
| 5 | HA – 1 | 24 | 56°E | 276 | 54°E | 1° | 14 |
| 6 | CAO – 17 | -10 | 36°W | 11 | 38°W | 10° | 3 |
| 7 | EKC – 15 | -10 | 13°W | 345 | 15°W | 13.5 | 2 |
| 8 | FKC – 63 | -15 | 07°W | 339 | 09°W | 17.5 | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.