Daily Sunspot Evaluation
Observation Sheet Sunday, 22 April 1962
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)
- 4
- Number of spots (f)
- 43
- Relative number (R)
- 83
- Observer
- SK
- Reading
- all checks consistent
- File
- 19620422.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 12 | 1W | ||||
| 2 | C – 15 | -12 | 0 | ||||
| 3 | E – 25 | 10 | 46W | ||||
| 4 | J – 1 | 10 | 17W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.