Daily Sunspot Evaluation
Observation Sheet Friday, 20 October 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)
- 7
- Number of spots (f)
- 83
- Relative number (R)
- 153
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20001020.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | 21 | 25W | 120 | 27W | 3 | |
| 2 | CSI – 9 | 15 | 06W | 101 | 08W | 4 | |
| 3 | CSI – 24 | 8 | 03E | 92 | 01E | 10 | |
| 4 | BXO – 8 | 11 | 14E | 81 | 12E | 4.5 | |
| 5 | DAC – 23 | 18 | 42E | 53 | 40E | 10 | |
| 6 | DSI – 11 | -31 | 01W | 96 | 03W | 8 | |
| 7 | BXI – 5 | -17 | 18E | 77 | 16E | 3.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.