Daily Sunspot Evaluation
Observation Sheet Friday, 25 May 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)
- 14
- Number of spots (f)
- 55
- Relative number (R)
- 195
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 7 | 17 | 09E | 331 | 06E | 279 | |
| 2 | G – 3 | 17 | 18E | 322 | 15E | 284 | |
| 3 | J – 1 | 16 | 51E | 289 | 48E | 286 | |
| 4 | J – 1 | -31 | 70E | 290 ⚠ | 67E | 292 | |
| 5 | A – 1 | -32 | 63E | 277 | 60E | 289 | |
| 6 | J – 2 | -34 | 34E | 306 | 31E | 283 | |
| 7 | B – 6 | -23 | 02E | 338 | 01W | 293 | |
| 8 | A – 2 | -31 | 07W | 347 | 10W | 285 | |
| 9 | J – 4 | -20 | 08W | 348 | 11W | 276 | |
| 10 | G – 10 | -23 | 17W | 357 | 20W | 277 | |
| 11 | C – 4 | 11 | 58W | 38 | 61W | 288 | |
| 12 | A – 1 | 23 | 83W | 63 | 86W | 265 | |
| 13 | A – 12 | 12 | 29W | 9 | 32W | 291 | |
| 14 | A – 1 | 25 | 36W | 16 | 39W | 278 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.