Daily Sunspot Evaluation
Observation Sheet Thursday, 3 September 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)
- 2
- Number of spots (f)
- 32
- Relative number (R)
- 52
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19920903.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 17 | -18 | 59W | 100 | 60W | 9 | 316 |
| 2 | DAI – 15 | 9 | 10E | 33 | 07E | 9 | 313 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.