Daily Sunspot Evaluation
Observation Sheet Friday, 7 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)
- 46
- Relative number (R)
- 86
- Observer
- TK
- Reading
- all checks consistent
- File
- 19920807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 17 | 63W | 103 | 66W | 4.5 | 286 |
| 2 | DAI – 15 | -6 | 22W | 62 | 25W | 7.5 | 291 |
| 3 | DAO – 5 | -17 | 09E | 31 | 06E | 7 | 285 |
| 4 | DAI – 25 | -12 | 13E | 27 | 10E | 10 | 294 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.