Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 August 1978
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)
- 15
- Relative number (R)
- 45
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19780816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 7 | 46 | 27E | 73 | 24E | ||
| 2 | ? – 3 | -17 | 67E | 33 | 64E | ||
| 3 | C – 5 | -28 | 71W | 171 | 74W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.