Daily Sunspot Evaluation
Observation Sheet Sunday, 24 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)
- 13
- Number of spots (f)
- 116
- Relative number (R)
- 246
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19780924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 19 | 29 | 26E | 278 | 24E | ||
| 2 | ? – 1 | 37 | 84E | 220 | 82E | ||
| 3 | D – 4 | -11 | 65E | 239 | 63E | ||
| 4 | B – 2 | -17 | 60E | 244 | 58E | ||
| 5 | C – 14 | -14 | 03W | 307 | 05W | ||
| 6 | A – 6 | -19 | 03W | 307 | 05W | ||
| 7 | H – 13 | -23 | 34W | 338 | 36W | ||
| 8 | C – 6 | -17 | 49W | 353 | 51W | ||
| 9 | D – 16 | 15 | 33W | 337 | 35W | ||
| 10 | H – 1 | 28 | 74W | 18 | 76W | ||
| 11 | F – 31 | 35 | 60W | 4 | 62W | ||
| 12 | S – 1 | 36 | 30W | 24 ⚠ | 82W | ||
| 13 | S – 2 | 26 | 03W | 307 | 05W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.