Daily Sunspot Evaluation
Observation Sheet Tuesday, 29 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)
- 5
- Number of spots (f)
- 26
- Relative number (R)
- 76
- Observer
- FY
- Reading
- all checks consistent
- File
- 19780829.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 10 | 21 | 40E | 247 | 37E | ||
| 2 | ? – 5 | 17 | 86E | 201 | 83E | √ | |
| 3 | A – 3 | -20 | 70E | 217 | 67E | √ | |
| 4 | B – 3 | -22 | 61W | 348 | 64W | ||
| 5 | C – 5 | 10 | 53W | 340 | 56WE |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.