Daily Sunspot Evaluation
Observation Sheet Wednesday, 15 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)
- 7
- Number of spots (f)
- 42
- Relative number (R)
- 112
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19920115.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 15 | 76W | 303 | 79W | 2° | 10 |
| 2 | CAO – 5 | 12 | 47E | 180 | 44E | 6° | 21 |
| 3 | CAO – 6 | -13 | 73W | 300 | 76W | 9° | 23 |
| 4 | BXI – 8 | -17 | 30W | 257 | 33W | 10° | 25 |
| 5 | AX – 1 | -8 | 27W | 254 | 30W | - | 26 |
| 6 | EAO – 15 | -6 | 16W | 243 | 19W | 13° | 16 |
| 7 | DAO – 6 | -10 | 33E | 194 | 30E | 8.5 | 22 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.