Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 June 1971
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)
- 16
- Relative number (R)
- 56
- Observer
- MA
- Reading
- all checks consistent
- File
- 19710602.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 1 | 59E | 220 | |||
| 2 | ? – 1 | -4 | 79E | 200 | |||
| 3 | G – 9 | 10 | 58W | 337 | |||
| 4 | J – 3 | 8 | 52W | 331 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.