Daily Sunspot Evaluation
Observation Sheet Monday, 30 May 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)
- 34
- Relative number (R)
- 64
- Observer
- SB
- Reading
- all checks consistent
- File
- 19660530.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | 18 | 70E | 230 | |||
| 2 | C – 16 | 4 | 7W | 307 | |||
| 3 | D – 12 | 24 | 20W | 320 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.