Daily Sunspot Evaluation
Observation Sheet Monday, 15 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)
- 10
- Number of spots (f)
- 102
- Relative number (R)
- 202
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19791015.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 17 | 32 | 28E | 222 | 25E | 262 | |
| 2 | H – 5 | 13 | 15E | 235 | 12E | 261 | |
| 3 | D – 7 | 26 | 70E | 180 | 67E | 271 | |
| 4 | J – 1 | 7 | 60E | 190 | 57E | 272 | |
| 5 | D – 6 | -6 | 47E | 203 | 44E | 266 | |
| 6 | A – 7 | -16 | 22E | 228 | 13E | 267 | |
| 7 | G – 11 | 11 | 46W | 296 | 49W | 255 | |
| 8 | E – 17 | 16 | 68W | 318 | 71W | 249 | |
| 9 | H – 1 | 24 | 82W | 332 | 85W | 246 | |
| 10 | E – 30 | 26 | 01W | 251 | 04W | 257 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.