Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 July 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)
- 10
- Number of spots (f)
- 62
- Relative number (R)
- 162
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | 10 | 27W | 258 | 30W | 5 | 193 |
| 2 | HA – 5 | 14 | 08W | 239 | 11W | 2 | 195 |
| 3 | HA – 4 | 15 | 29E | 202 | 26E | 3 | 196 |
| 4 | EKCC – 28 | 14 | 41E | 190 | 38E | 13.5 | 198 |
| 5 | HA – 1 | 17 | 59E | 172 | 56E | 1 | 200 |
| 6 | HS – 1 | 13 | 62E | 169 | 59E | 2 | 201 |
| 7 | HA – 1 | -16 | 74W | 305 | 74W | -1 | 192 |
| 8 | HA – 1 | -8 | 65W | 296 | 68W | 1 | 187 |
| 9 | CAO – 8 | -10 | 10E | 221 | 07E | 7 | 191 |
| 10 | DAO – 9 | -12 | 36E | 195 | 33E | 5.5 | 197 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.