Daily Sunspot Evaluation
Observation Sheet Sunday, 5 August 1973
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)
- 3
- Number of spots (f)
- 17
- Relative number (R)
- 47
- Observer
- ED
- Reading
- all checks consistent
- File
- 19730805.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 13 | 6 | 10E | 216 | 1416 | ||
| 2 | H – 3 | -9 | 29E | 197 | 1444 | ||
| 3 | J – 1 | -4 | 67W | 293 | 1529 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.