Daily Sunspot Evaluation
Observation Sheet Thursday, 13 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)
- 5
- Number of spots (f)
- 62
- Relative number (R)
- 112
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19801113.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXK – 2 | 18 | 35E | 41 | 32E | 1.65 | |
| 2 | CAE – 9 | 18 | 43E | 33 | 40E | 2.75 | |
| 3 | BAI – 3 | 17 | 75E | 1 | 72E | 5 | |
| 4 | DAO – 7 | -18 | 59W | 135 | 62W | 13 | |
| 5 | FEC – 41 | -11 | 22W | 98 | 25W | 16.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.