Daily Sunspot Evaluation
Observation Sheet Friday, 1 September 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)
- 8
- Number of spots (f)
- 133
- Relative number (R)
- 213
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19780901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 38 | 20 | 00 | 248 | 03W | ||
| 2 | D – 15 | 17 | 34E | 214 | 31E | ✓ | |
| 3 | E – 34 | 18 | 44E | 204 | 41E | ||
| 4 | ? – 1 | -18 | 71E | 177 | 68E | ✓ | |
| 5 | A – 1 | -30 | 65E | 183 | 62E | ✓ | |
| 6 | D – 36 | -29 | 51E | 197 | 48E | ||
| 7 | C – 5 | -21 | 27E | 221 | 24E | ||
| 8 | B – 3 | 14 | 28W | 276 | 31W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.