Daily Sunspot Evaluation
Observation Sheet Wednesday, 13 January 1993
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)
- 7
- Number of spots (f)
- 43
- Relative number (R)
- 113
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930113.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 9 | 5 | 30W | 132 | 33W | 5 | 12 |
| 2 | BXO – 7 | 7 | 15W | 117 | 18W | 4 | 6 |
| 3 | ? – 1 | -6 | 82W | 184 | 85W | - | 2 |
| 4 | CRO – 8 | -19 | 75W | 177 | 78W | 7 | 4 |
| 5 | CAI – 10 | -12 | 28W | 130 | 31W | 4 | 5 |
| 6 | CRI – 7 | -9 | 07W | 109 | 10W | 5 | 13 |
| 7 | ? – 1 | -26 | 80E | 22 | 77E | - | 15 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.