Daily Sunspot Evaluation
Observation Sheet Sunday, 26 April 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)
- 54
- Relative number (R)
- 124
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19920426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 5 | 8 | 20W | 343 | 23W | 6 | 173 |
| 2 | DAC – 17 | 10 | 10E | 313 | 07E | 6 | 177 |
| 3 | CAO – 6 | 8 | 52E | 271 | 48E | 4 | 178 |
| 4 | ? – 2 | -25 | 72W | 35 | 75W | - | 161 |
| 5 | CAO – 9 | -17 | 45W | 8 | 48W | 14 | 167 |
| 6 | HA – 6 | -19 | 27W | 350 | 30W | 2.5 | 169 |
| 7 | CSO – 9 | -6 | 38E | 285 | 35E | 9 | 176 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.