Daily Sunspot Evaluation
Observation Sheet Sunday, 19 May 1963
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)
- 17
- Relative number (R)
- 57
- Observer
- AA
- Reading
- all checks consistent
- File
- 19630519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 10 | 9 | 7E | 4491 | |||
| 2 | J – 1 | -8 | 59W | ||||
| 3 | ? – 1 | 10 | 72W | ||||
| 4 | C – 5 | 13 | 45W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.