Daily Sunspot Evaluation
Observation Sheet Monday, 28 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)
- 4
- Number of spots (f)
- 27
- Relative number (R)
- 67
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 11 | 21 | 54E | 247 | 51E | ||
| 2 | C – 6 | 11 | 13E | 288 | 10E | ||
| 3 | D – 7 | -21 | 47W | 348 | 50W | ||
| 4 | B – 3 | 11 | 39W | 340 | 42W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.