Daily Sunspot Evaluation
Observation Sheet Tuesday, 21 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)
- 97
- Relative number (R)
- 157
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820921.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | PAC – 20 | 19 | 09W | 150 | 12W | 7 | 353 |
| 2 | EAC – 41 | 14 | 07E | 134 | 04E | 15 | 356 |
| 3 | BXI – 4 | 16 | 21E | 120 | 18E | 3 | 360 |
| 4 | HAX – 3 | -15 | 42W | 184 | 46W | 1.25 | 352 |
| 5 | DSC – 23 | -12 | 16W | 157 | 19W | 7.5 | 354 |
| 6 | BRI – 6 | -9 | 16E | 125 | 13E | 6 | 359 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.