Daily Sunspot Evaluation
Observation Sheet Monday, 25 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)
- 7
- Number of spots (f)
- 65
- Relative number (R)
- 135
- Observer
- MB
- Reading
- all checks consistent
- File
- 20000925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 16 | 33W | 98 | 35W | ~2.5 | |
| 2 | FKC – 30 | 10 | 11W | 76 | 13W | 18 | |
| 3 | DSO – 3 | 13 | 69E | 356 | 67E | ~6 | |
| 4 | EKC – 18 | -12 | 61W | 126 | 63W | ~10.5 | |
| 5 | DAI – 10 | -6 | 17W | 82 | 19W | 9.5 | |
| 6 | HS – 1 | -13 | 41E | 24 | 39E | 2 | |
| 7 | HA – 1 | -12 | 69E | 356 | 67E | ~2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.