Daily Sunspot Evaluation
Observation Sheet Thursday, 6 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)
- 10
- Number of spots (f)
- 62
- Relative number (R)
- 162
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800306.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HSZ – 5 | 2 | 38W | 204 | 41W | 3 | |
| 2 | AXX – 1 | 12 | 18W | 184 | 71W | ||
| 3 | DSO – 5 | 28 | 16W | 182 | 19W | 5 | |
| 4 | CSI – 5 | 10 | 32E | 134 | 24E | 4 | |
| 5 | CAI – 6 | 12 | 55E | 111 | 52E | 7.5 | |
| 6 | DSO – 5 | -26 | 63W | 229 | 66W | 8 | |
| 7 | HSI – 3 | -13 | 58W | 224 | 61W | 25 | |
| 8 | HSX – 1 | -19 | 38W | 204 | 41W | 1 | |
| 9 | DAO – 12 | -19 | 28W | 194 | 31W | 4 | |
| 10 | FHI – 19 | -12 | 27E | 139 | 24E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.