Daily Sunspot Evaluation
Observation Sheet Monday, 28 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)
- 9
- Number of spots (f)
- 32
- Relative number (R)
- 122
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790528.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 16 | 12E | 289 | 09E | 286 | |
| 2 | C – 5 | 23 | 29E | 292 ⚠ | 26E | 296 | |
| 3 | J – 1 | -31 | 35E | 266 | 32E | 292 | |
| 4 | A – 4 | -32 | 23E | 298 ⚠ | 20E | 289 | |
| 5 | J – 2 | -35 | 02W | 303 | 05W | 283 | |
| 6 | B – 6 | -24 | 57W | 358 | 60W | 277 | |
| 7 | J – 2 | -20 | 48W | 349 | 51W | 276 | |
| 8 | H – 1 | 16 | 30W | 331 | 33W | 299 | |
| 9 | D – 9 | 18 | 19W | 320 | 22W | 284 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.