Daily Sunspot Evaluation
Observation Sheet Friday, 22 August 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)
- 75
- Relative number (R)
- 175
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800822.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 11 | 71W | 163 | 74W | 1.75 | |
| 2 | DAI – 6 | 17 | 48W | 140 | 51W | 6.5 | |
| 3 | CAO – 6 | 11 | 37W | 129 | 40W | 11 | |
| 4 | EKE – 40 | 19 | 17W | 109 | 20W | 15 | |
| 5 | HAX – 10 | 15 | 21E | 70 | 17E | 3.75 | |
| 6 | HEK – 4 | 10 | 58E | 34 | 55E | 3.5 | |
| 7 | AXX – 1 | 19 | 75E | 17 | 72E | - | |
| 8 | HAX – 1 | -24 | 61W | 153 | 64W | 1 | |
| 9 | HAI – 5 | -8 | 58W | 150 | 61W | 3.5 | E |
| 10 | AXX – 1 | -16 | 75E | 17 | 72E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.