Daily Sunspot Evaluation
Observation Sheet Saturday, 5 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)
- 5
- Number of spots (f)
- 11
- Relative number (R)
- 61
- Observer
- SM
- Reading
- all checks consistent
- File
- 19710605.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 0 | 20E | 222 | |||
| 2 | A – 3 | -2 | 32E | 210 | |||
| 3 | G – 2 | -5 | 44E | 198 | |||
| 4 | A – 2 | 9 | 24W | 266 | |||
| 5 | ? – 1 | 27 | 77W | 319 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.