Daily Sunspot Evaluation
Observation Sheet Monday, 1 September 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)
- 6
- Number of spots (f)
- 31
- Relative number (R)
- 91
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 24 | 66W | 36 | 69W | 4 | 250 |
| 2 | DRI – 13 | 20 | 10W | 340 | 13W | ~5 | 247 |
| 3 | HS – 4 | -12 | 51W | 21 | 54W | 4.5 | 240 |
| 4 | AX – 3 | -7 | 29W | 359 | 32W | 2.5 | 251 |
| 5 | ERO – 7 | -15 | 28E | 302 | 25E | ~15 | 248 |
| 6 | AX – 2 | -23 | 32E | 298 | 29E | 1 | 252 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.