Daily Sunspot Evaluation
Observation Sheet Sunday, 13 November 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)
- 4
- Number of spots (f)
- 14
- Relative number (R)
- 54
- Observer
- TS
- Reading
- all checks consistent
- File
- 19831113.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 16 | 65W | 89 | 68W | 1 | 320 |
| 2 | BXO – 4 | -19 | 65W | 89 | 68W | 5 | 322 |
| 3 | BXI – 4 | -12 | 46W | 70 | 49W | 1.5 | 324 |
| 4 | BXI – 5 | -13 | 19E | 5 | 16E | 2.5 | 327 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.