Daily Sunspot Evaluation
Observation Sheet Saturday, 4 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)
- 12
- Number of spots (f)
- 168
- Relative number (R)
- 288
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19920104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 12 | 17W | 28 | 19W | - | 12 |
| 2 | AX – 3 | 20 | 11E | 0 | 09E | 1.5 | 11 |
| 3 | HK – 4 | 8 | 58E | 313 | 56E | 4 | 7 |
| 4 | HA – 1 | 2 | 65E | 306 | 63E | 2.5 | 6 |
| 5 | ? – 2 | 20 | 75E | 298 | 71E | - | 10 |
| 6 | ? – 10 | -21 | 80W | 91 | 82W | - | 5 |
| 7 | FKO – 11 | -15 | 66W | 78 | 69W | 18 | 4 |
| 8 | BXO – 3 | -11 | 46W | 59 | 48W | 3.5 | 13 |
| 9 | EAC – 32 | -10 | 04E | 6 | 03E | 12.5 | 3 |
| 10 | EKC – 23 | -10 | 27E | 344 | 25E | 13 | 2E |
| 11 | FKC – 64 | -16 | 33E | 338 | 31E | 16 | 1 |
| 12 | DAO – 14 | -22 | 35E | 336 | 33E | 6 | 8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.