Daily Sunspot Evaluation
Observation Sheet Sunday, 14 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)
- 14
- Relative number (R)
- 64
- Observer
- ED
- Reading
- all checks consistent
- File
- 19740714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | -5 | 43E | 336 | |||
| 2 | ? – 1 | -15 | 83E | 296 | |||
| 3 | C – 6 | -12 | 40E | 339 | |||
| 4 | A – 1 | -14 | 15E | 4 | |||
| 5 | H – 3 | -9 | 04E | 15 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.