Daily Sunspot Evaluation
Observation Sheet Thursday, 22 February 1979
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)
- 52
- Relative number (R)
- 132
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 4 | 38 | 47E | 66 | 45E | 116 | |
| 2 | J – 1 | -24 | 42E | 71 | 40E | 114 | |
| 3 | J – 1 | -24 | 29E | 84 | 27E | 112 | |
| 4 | J – 1 | -27 | 17W | 130 | 19W | 108 | |
| 5 | B – 4 | -18 | 52W | 165 | 54W | 110 | |
| 6 | H – 3 | 6 | 64W | 177 | 66W | 113 | |
| 7 | H – 7 | 17 | 63W | 176 | 65W | 106 | |
| 8 | E – 31 | 46 | 37W | 150 | 39W | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.