Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 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)
- 9
- Relative number (R)
- 59
- Observer
- FA
- Reading
- all checks consistent
- File
- 19710608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | -6 | 02E | 200 | |||
| 2 | B – 2 | -14 | 17W | 219 | |||
| 3 | A – 1 | -3 | 10W | 212 | |||
| 4 | H – 2 | 0 | 19W | 221 | |||
| 5 | B – 3 | 15 | 22W | 224 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.