Daily Sunspot Evaluation
Observation Sheet Friday, 8 February 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)
- 99
- Relative number (R)
- 199
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | 13 | 74W | 235 | 77W | 12 | |
| 2 | AK – 1 | 17 | 57W | 218 | 60W | ||
| 3 | HJK – 1 | 15 | 41W | 202 | 44W | 1 | |
| 4 | BKI – 17 | 3 | 35W | 196 | 38W | 10.5 | |
| 5 | HJK – 1 | 28 | 07E | 154 | 04E | 2 | |
| 6 | CSE – 5 | 9 | 19E | 142 | 16E | 7 | |
| 7 | FKC – 33 | -16 | 45W | 206 | 48W | 21 | |
| 8 | FKC – 26 | -13 | 35E | 176 ⚠ | 32E | 17 | |
| 9 | DII – 8 | -13 | 51E | 110 | 48E | 6 | |
| 10 | AKK – 2 | -18 | 55E | 106 | 52E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.