Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 May 1965
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)
- 9
- Relative number (R)
- 39
- Observer
- SK
- Reading
- all checks consistent
- File
- 19650525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 25 | 58W | 202 | |||
| 2 | H – 4 | 25 | 38W | 179 | |||
| 3 | J – 2 | 30 | 23W | 167 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.