Daily Sunspot Evaluation
Observation Sheet Saturday, 19 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)
- 11
- Number of spots (f)
- 36
- Relative number (R)
- 146
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 15 | 32E | 27 | 30E | 275 | |
| 2 | J – 1 | -18 | 69E | 350 | 67E | 276 | |
| 3 | B – 5 | -12 | 32E | 27 | 30E | 274 | |
| 4 | A – 1 | -25 | 60E | 359 | 58E | 277 | |
| 5 | J – 1 | -15 | 25E | 34 | 23E | 270 | |
| 6 | G – 5 | -30 | 44W | 103 | 46W | 272 | |
| 7 | A – 2 | -17 | 60W | 119 | 62W | 257 | |
| 8 | ? – 7 | 14 | 74W | 133 | 76W | 268 | |
| 9 | J – 4 | 14 | 47W | 106 | 48W | 267 | |
| 10 | D – 1 | 28 | 65W | 124 | 67W | 258 | |
| 11 | H – 7 | 23 | 05W | 64 | 07W | 265 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.