Daily Sunspot Evaluation
Observation Sheet Thursday, 29 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)
- 12
- Number of spots (f)
- 107
- Relative number (R)
- 227
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800529.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAS – 20 | 10 | 14W | 152 | 19W | 2.5 | |
| 2 | HKX – 1 | 12 | 29E | 107 | 26E | 2.5 | |
| 3 | ? – 1 | 12 | 78E | 58 | 75E | 1.5 | |
| 4 | EKO – 5 | -8 | 54W | 190 | 57W | 4 | |
| 5 | HKX – 8 | -12 | 45W | 181 | 48W | 10 | |
| 6 | HKI – 24 | -20 | 41W | 177 | 44W | 10 | |
| 7 | AXX – 1 | -24 | 18W | 154 | 21W | - | |
| 8 | HAX – 5 | -18 | 17W | 153 | 20W | 1.5 | |
| 9 | EKI – 37 | -10 | 24E | 112 | 21E | 12 | |
| 10 | CRA – 2 | -31 | 43E | 73 ⚠ | 40E | 1.5 | |
| 11 | AXX – 1 | -35 | 52E | 84 | 47E | - | |
| 12 | HKX – 2 | -20 | 57E | 77 | 54E | 3.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.