Daily Sunspot Evaluation
Observation Sheet Sunday, 9 March 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)
- 26
- Relative number (R)
- 106
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 2 | 79W | 203 | 80W | 3 | |
| 2 | AXX – 3 | 16 | 66W | 190 | 67W | 2 | |
| 3 | AXX – 1 | 8 | 33E | 91 | 32E | ||
| 4 | HSX – 1 | 14 | 42E | 82 | 41E | 1.5 | |
| 5 | HAX – 1 | 16 | 51E | 73 | 50E | 1 | |
| 6 | CAI – 4 | -19 | 70W | 194 | 71W | 9 | |
| 7 | DHI – 8 | -12 | 14W | 138 | 15W | 9.5 | |
| 8 | FKO – 7 | -17 | 61E | 63 | 60E | 12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.