Daily Sunspot Evaluation
Observation Sheet Tuesday, 28 May 2002
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)
- 57
- Relative number (R)
- 167
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 20020528.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 8 | 12 | 76W | 13 | 79W | ? | |
| 2 | HA – 1 | 14 | 47W | 244 ⚠ | 50W | 0.5 | |
| 3 | HA – 1 | 15 | 38W | 325 ⚠ | 41W | ~1 | |
| 4 | EK – 16 | 14 | 20W | 317 | 23W | 12 | |
| 5 | DAC – 9 | 4 | 37E | 260 | 34E | ~10 | |
| 6 | DAE – 6 | 8 | 29E | 258 ⚠ | 36E | 6 | |
| 7 | ? – 1 | 18 | 85E | 212 | 82E | ? | |
| 8 | DAO – 5 | -23 | 36W | 373 ⚠ | 29W | ~12 | |
| 9 | DAO – 3 | -8 | 11W | 308 | 14W | 3.5 | |
| 10 | DAO – 4 | -22 | 65E | 232 | 62E | ~5 | |
| 11 | ? – 3 | -17 | 84E | 213 | 81E | ? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.