Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 September 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)
- 5
- Number of spots (f)
- 46
- Relative number (R)
- 96
- Observer
- TS
- Reading
- all checks consistent
- File
- 19830907.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 35 | 10 | 38W | 226 | 40W | 10 | 274 |
| 2 | AXX – 2 | -10 | 09E | 179 | 05E | 2 | 275 |
| 3 | ADX – 1 | -2 | 27E | 161 | 23E | 0.5 | 276 |
| 4 | HAX – 7 | -11 | 39E | 149 | 35E | 2 | 277 |
| 5 | AXX – 1 | -25 | 52E | 136 | 48E | 0.5 | 280 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.