Daily Sunspot Evaluation
Observation Sheet Saturday, 28 June 2003
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)
- 47
- Relative number (R)
- 137
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20030628.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ESO – 2 | 19 | 60W | 169 | 63W | 11 | 167 |
| 2 | DAO – 8 | 14 | 55W | 164 | 58W | 9 | 171 |
| 3 | DAI – 8 | 10 | 04E | 105 | 01E | 4 | 176 |
| 4 | HA – 2 | 16 | 06E | 103 | 03E | 1.5 | 172 |
| 5 | HA – 1 | 6 | 26E | 83 | 23E | 0.5 | 174 |
| 6 | HA – 3 | 11 | 45E | 64 | 42E | 2 | 175 |
| 7 | ? – 5 | 11 | 75E | 34 | 72E | ? | 178 |
| 8 | DAO – 13 | -4 | 16W | 125 | 19W | 8 | 177 |
| 9 | BXO – 5 | -15 | 22E | 87 | 19E | ~2 | 173 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.