Daily Sunspot Evaluation
Observation Sheet Monday, 8 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)
- 22
- Relative number (R)
- 72
- Observer
- FA
- Reading
- all checks consistent
- File
- 19740708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -9 | 88E | 11 | |||
| 2 | J – 4 | -13 | 32W | 131 | |||
| 3 | A – 1 | -17 | 50W | 149 | |||
| 4 | E – 15 | -13 | 60W | 159 | |||
| 5 | A – 1 | -12 | 75W | 174 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.