Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 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)
- 39
- Relative number (R)
- 79
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19920812.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 16 | 13 | 80E | 254 | 77E | - | |
| 2 | DKA – 13 | -12 | 55W | 29 | 58W | 10 | |
| 3 | HA – 6 | -16 | 23E | 311 | 20E | 25 | |
| 4 | BXA – 4 | -24 | 27E | 307 | 24E | 6.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.