Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 August 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)
- 4
- Number of spots (f)
- 43
- Relative number (R)
- 83
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19920819.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 2 | 17 | 75W | 316 | 78W | 10 | 306 |
| 2 | EKO – 34 | 17 | 15W | 256 | 18W | 15 | 302 |
| 3 | BXF – 6 | 14 | 30E | 211 | 27E | 7 | 305 |
| 4 | ? – 1 | -21 | 76E | 165 | 73E | - | 309 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.