Daily Sunspot Evaluation
Observation Sheet Thursday, 20 November 1980
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)
- 8
- Number of spots (f)
- 46
- Relative number (R)
- 126
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19801120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 17 | 61W | 42 | 61W | 0.5 | |
| 2 | AXX – 1 | 18 | 54W | 35 | 54W | ||
| 3 | CAE – 6 | 18 | 20W | 1 | 20W | 9.5 | |
| 4 | DAI – 12 | 9 | 10E | 331 | 10E | 6 | |
| 5 | EKX – 21 | 12 | 24E | 317 | 24E | 15.5 | |
| 6 | HAX – 3 | 16 | 33E | 308 | 33E | 2 | |
| 7 | HSX – 1 | -17 | 10W | 351 | 10W | 2 | |
| 8 | HAX – 1 | -18 | 60E | 281 | 60E | 2.35 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.