Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 February 1967
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)
- 9
- Number of spots (f)
- 28
- Relative number (R)
- 118
- Observer
- SK
- Reading
- all checks consistent
- File
- 19670222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 8 | 24 | 62E | 299 | |||
| 2 | H – 3 | -22 | 46E | 315 | |||
| 3 | A – 1 | -25 | 15E | 348 | |||
| 4 | A – 1 | -24 | 34W | 35 | |||
| 5 | HC – 3 | 15 | 58W | 59 | |||
| 6 | H – 4 | 17 | 23W | 24 | |||
| 7 | J – 1 | 18 | 12W | 13 | |||
| 8 | B – 6 | 24 | 02W | 5 | |||
| 9 | A – 1 | 32 | 02W | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.