Daily Sunspot Evaluation
Observation Sheet Thursday, 3 December 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)
- 4
- Number of spots (f)
- 33
- Relative number (R)
- 73
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19921203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FAC – 30 | 20 | 59W | 341 | 62W | 16.5 | 419 |
| 2 | HS – 1 | 12 | 63W | 345 | 66W | 3 | 417 |
| 3 | HA – 1 | -19 | 56W | 338 | 59W | 2 | 410 |
| 4 | ? – 1 | -19 | 84E | 198 | 81E | - | 420 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.