Daily Sunspot Evaluation
Observation Sheet Monday, 13 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)
- 10
- Number of spots (f)
- 40
- Relative number (R)
- 140
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19920113.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 21 | 62W | 315 | 64W | - | 20 |
| 2 | HK – 2 | 8 | 62W | 315 | 64W | 3.5 | 7 |
| 3 | AX – 2 | 2 | 57W | 310 | 59W | 1.5 | 6 |
| 4 | EAO – 5 | 16 | 45W | 298 | 47W | 10.5 | 10 |
| 5 | ? – 1 | 12 | 76E | 177 | 74E | 3 | 21 |
| 6 | ? – 5 | -15 | 70W | 323 | 72W | 12 | 1 |
| 7 | HR – 2 | -15 | 57W | 310 | 59W | 1 | 18 |
| 8 | BXI – 4 | -12 | 45W | 298 | 47W | 4 | 23 |
| 9 | EAO – 15 | -5 | 11E | 242 | 09E | 12 | 16 |
| 10 | ESO – 3 | -11 | 62E | 191 | 60E | 11 | 22 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.