Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 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)
- 59
- Relative number (R)
- 129
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 28 | 03E | 138 | 00 | ||
| 2 | ? – 11 | 24 | 67E | 74 | 64E | ||
| 3 | D – 6 | -32 | 55W | 196 | 58W | ||
| 4 | A – 3 | -21 | 26W | 167 | 29W | ||
| 5 | D – 19 | 14 | 44W | 185 | 47W | ||
| 6 | D – 17 | 20 | 47W | 188 | 50W | ||
| 7 | A – 1 | 23 | 24W | 165 | 27W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.