Daily Sunspot Evaluation
Observation Sheet Monday, 14 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)
- 17
- Relative number (R)
- 57
- Observer
- FA
- Reading
- all checks consistent
- File
- 19710614.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | -14 | 02W | 124 | |||
| 2 | J – 1 | -6 | 80W | 202 | |||
| 3 | J – 3 | 14 | 71W | 193 | |||
| 4 | B – 8 | 14 | 23W | 145 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.