Daily Sunspot Evaluation
Observation Sheet Friday, 5 July 1974
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)
- 60
- Relative number (R)
- 110
- Observer
- FA
- Reading
- all checks consistent
- File
- 19740705.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 9 | -16 | 11E | 129 | |||
| 2 | J – 2 | -18 | 11W | 149 | |||
| 3 | F – 38 | -15 | 21W | 159 | |||
| 4 | A – 3 | -12 | 36W | 174 | |||
| 5 | D – 8 | -9 | 66W | 204 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.