Daily Sunspot Evaluation
Observation Sheet Monday, 30 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)
- 60
- Relative number (R)
- 150
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030630.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 6 | 9 | 25W | 108 | 28W | ~1 | 176 |
| 2 | HA – 2 | 15 | 20W | 103 | 23W | ~2 | 172 |
| 3 | AX – 1 | 5 | 00 | 83 | 03W | - | 174 |
| 4 | AX – 3 | 10 | 18E | 65 | 15E | 0.5 | 175 |
| 5 | FKC – 20 | 10 | 49E | 34 | 46E | 16.5 | 178 |
| 6 | HA – 5 | 14 | 64E | 19 | 61E | 1.5 | 179 |
| 7 | ? – 2 | 3 | 75E | 8 | 72E | ~1 | 180 |
| 8 | BAC – 20 | -4 | 44W | 127 | 47W | 12 | 177 |
| 9 | AX – 1 | -13 | 07E | 76 | 04E | - | 173 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.