Daily Sunspot Evaluation
Observation Sheet Saturday, 1 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)
- 9
- Number of spots (f)
- 32
- Relative number (R)
- 122
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AKA – 4 | 5 | 21W | 253 | 25W | 2 | |
| 2 | CJO – 4 | 23 | 16E | 214 | 14E | 3.5 | |
| 3 | HSX – 4 | 2 | 27E | 203 | 25E | 2 | |
| 4 | HSX – 1 | 18 | 43E | 187 | 41E | 2 | |
| 5 | DKI – 7 | -26 | 57W | 289 | 61W | 9 | |
| 6 | HSX – 3 | -9 | 44W | 274 | 46W | 2 | |
| 7 | CAO – 4 | -24 | 01E | 229 | 01W | 4 | |
| 8 | DJO – 3 | -13 | 08E | 222 | 06E | 3 | |
| 9 | HAX – 2 | -18 | 27E | 203 | 35E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.