Daily Sunspot Evaluation
Observation Sheet Saturday, 8 April 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)
- 7
- Number of spots (f)
- 44
- Relative number (R)
- 114
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | 16 | 23E | 355 | 21E | ||
| 2 | ? – 1 | 18 | 39E | 338 | 37E | ||
| 3 | ? – 3 | -33 | 70E | 308 | 68E | ||
| 4 | D – 6 | -29 | 48E | 330 | 46E | ||
| 5 | C – 9 | -27 | 14E | 4 | 12E | ||
| 6 | B – 7 | 20 | 57W | 75 | 59W | ||
| 7 | E – 12 | 20 | 14W | 32 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.