Daily Sunspot Evaluation
Observation Sheet Monday, 4 September 2000
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)
- 62
- Relative number (R)
- 152
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 20000904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 11 | 35W | 18 | 38W | 2.5 | |
| 2 | HA – 3 | 6 | 17W | 360 | 20W | 2.5 | |
| 3 | EKO – 19 | 13 | 14W | 357 | 17W | 13.5 | |
| 4 | HA – 1 | 19 | 31E | 312 | 28E | 2 | |
| 5 | HA – 2 | -21 | 65W | 48 | 68W | 4 | |
| 6 | HA – 2 | -10 | 41W | 24 | 44W | 2 | |
| 7 | BXO – 3 | -33 | 13W | 356 | 16W | 3 | |
| 8 | CAI – 24 | -19 | 17E | 326 | 14E | 6.5 | |
| 9 | BXI – 6 | -10 | 29E | 314 | 26E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



