Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 July 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)
- 44
- Relative number (R)
- 94
- Observer
- MA
- Reading
- all checks consistent
- File
- 19710714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 5 | 15 | 25E | 60 | |||
| 2 | ? – 2 | 10 | 75E | 10 | |||
| 3 | E – 13 | 6 | 58E | 27 | |||
| 4 | B – 7 | -12 | 08W | 93 | |||
| 5 | C – 17 | -8 | 41W | 126 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.