Daily Sunspot Evaluation
Observation Sheet Monday, 20 September 1982
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)
- 6
- Number of spots (f)
- 75
- Relative number (R)
- 135
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820920.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 14 | 18 | 04E | 150 | 01E | 7.5 | 353 |
| 2 | EAC – 27 | 14 | 21E | 133 | 18E | 14.5 | 356 |
| 3 | AXX – 1 | -1 | 28W | 182 | 31W | 355 | |
| 4 | CAO – 8 | -17 | 27W | 181 | 30W | 7 | 352 |
| 5 | DAI – 20 | -13 | 02W | 156 | 09W | 8 | 354 |
| 6 | BXI – 5 | -10 | 30E | 124 | 27E | 3.75 | 359 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.