Daily Sunspot Evaluation
Observation Sheet Saturday, 27 August 1983
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)
- 3
- Number of spots (f)
- 17
- Relative number (R)
- 47
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830827.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 15 | -11 | 09W | 343 | 12W | 5.5 | 258 |
| 2 | ARX – 1 | -18 | 41E | 293 | 38E | 0.75 | 267 |
| 3 | HSX – 1 | -10 | 49E | 285 | 46E | 2 | 265 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.