Daily Sunspot Evaluation
Observation Sheet Friday, 4 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)
- 8
- Number of spots (f)
- 63
- Relative number (R)
- 143
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790504.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 21 | 45E | 213 | 42E | 251 | |
| 2 | J – 2 | 4 | 50E | 208 | 47E | 252 | |
| 3 | J – 1 | -26 | 68E | 180 ⚠ | 65E | 250 | |
| 4 | G – 4 | -25 | 36E | 222 | 33E | 247 | |
| 5 | J – 4 | -26 | 58W | 316 | 61W | 237 | |
| 6 | J – 1 | 18 | 73W | 331 | 76W | 234 | |
| 7 | F – 28 | 16 | 24W | 282 | 27W | 258 | |
| 8 | D – 22 | 11 | 12W | 270 | 15W | 248 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.