Daily Sunspot Evaluation
Observation Sheet Friday, 23 May 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)
- 7
- Number of spots (f)
- 18
- Relative number (R)
- 88
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030523.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 13 | 16E | 210 | 13E | 0.5 | 138 |
| 2 | BXI – 3 | 10 | 59E | 167 | 56E | 4 | 139 |
| 3 | HR – 2 | 16 | 64E | 162 | 61E | 2.5 | 140 |
| 4 | DAO – 7 | -11 | 20W | 246 | 23W | 7 | 129 |
| 5 | HA – 3 | -9 | 35E | 191 | 32E | 1 | 136 |
| 6 | HS – 1 | -14 | 64E | 162 | 61E | 1.5 | 137 |
| 7 | HS – 1 | -32 | 70E | 156 | 67E | 2 | 141 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.