Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 February 1966
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)
- 3
- Number of spots (f)
- 16
- Relative number (R)
- 46
- Observer
- SK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19660222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 22 | 12E | 130 | |||
| 2 | J – 1 | 3 | 46W | 188 | |||
| 3 | D – 13 | 2 | 30W | 152 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.