Daily Sunspot Evaluation
Observation Sheet Thursday, 25 October 1979
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)
- 11
- Number of spots (f)
- 103
- Relative number (R)
- 213
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19791025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 15 | 21E | 96 | 18E | 284 | |
| 2 | ? – 4 | 26 | 65E | 52 | 62E | 285 | |
| 3 | A – 1 | 10 | 17E | 100 | 14E | 286 | |
| 4 | E – 26 | -20 | 24E | 93 | 21E | 287 | |
| 5 | J – 3 | -12 | 18E | 99 | 15E | 288 | |
| 6 | A – 2 | -19 | 13W | 130 | 16W | 283 | |
| 7 | E – 27 | -11 | 25W | 142 | 28W | 279 | |
| 8 | E – 15 | -28 | 50W | 167 | 53W | 277 | |
| 9 | J – 3 | -10 | 42W | 159 | 45W | 276 | |
| 10 | E – 18 | 27 | 63W | 180 | 66W | 271 | |
| 11 | J – 2 | 23 | 05W | 122 | 08W | 283 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.