Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 5
- Number of spots (f)
- 188
- Relative number (R)
- 238
- Observer
- SB0
- Reading
- counts consistent, some coordinates doubtful
- File
- 20000923.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 7 | 15 | 05W | 96 | 07W | ~4.5 | |
| 2 | EKC – 112 | 11 | 16E | 75 | 14E | 19.5 | |
| 3 | EKC – 50 | -14 | 30W | 121 | 32W | 10 | |
| 4 | EAI – 16 | -6 | 11E | 80 | 09E | ~8 | |
| 5 | DAO – 3 | -15 | 32E | 19 ⚠ | 70E | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.