Daily Sunspot Evaluation
Observation Sheet Saturday, 3 May 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)
- 79
- Relative number (R)
- 159
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800503.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 5 | 11 | 09E | 108 | 09E | 4.5 | |
| 2 | DAI – 9 | 23 | 45E | 72 | 45E | 8 | |
| 3 | AXX – 1 | 29 | 65E | 52 | 65E | - | |
| 4 | ? – 2 | -24 | 81W | 178 ⚠ | 81W | 7 | |
| 5 | FCC – 36 | -18 | 30W | 147 | 30W | 19 | |
| 6 | DAO – 5 | -16 | 10E | 107 | 10E | 5.5 | |
| 7 | FKC – 20 | -20 | 34E | 83 | 34E | 11.5 | |
| 8 | ? – 1 | -20 | 81E | 34 | 81E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.