Daily Sunspot Evaluation
Observation Sheet Tuesday, 21 November 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)
- 73
- Relative number (R)
- 163
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20001121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 6 | 66W | 98 | 67W | 0.5 | |
| 2 | BXO – 9 | 8 | 52W | 84 | 53W | 7 | |
| 3 | CSO – 4 | 25 | 23W | 55 | 24W | 3 | |
| 4 | HS – 1 | 12 | 09W | 41 | 10W | ~1 | |
| 5 | FAC – 21 | 13 | 02E | 30 | 01E | ~17 | |
| 6 | EKO – 7 | 21 | 41E | 351 | 40E | 15 | |
| 7 | FKI – 25 | -23 | 28W | 60 | 29W | 22 | |
| 8 | HA – 4 | -22 | 12W | 44 | 13W | 1.5 | |
| 9 | ? – 1 | -20 | 83E | 309 | 82E | ? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.