Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 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)
- 6
- Number of spots (f)
- 49
- Relative number (R)
- 109
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 4 | 15 | 55E | 277 ⚠ | 55E | 7 | |
| 2 | HSX – 1 | 26 | 59E | 293 | 59E | 1.5 | |
| 3 | HSX – 1 | 5 | 80E | 272 | 80E | 3.5 | |
| 4 | CAI – 5 | -19 | 48W | 40 | 48W | 6.5 | |
| 5 | EKC – 33 | -26 | 03E | 349 | 03E | 14 | |
| 6 | DAO – 5 | -26 | 53E | 299 | 53E | 4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.