Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 January 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)
- 40
- Relative number (R)
- 110
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 18 | 24W | 148 | 24W | ~3.5 | |
| 2 | DHI – 5 | 18 | 08E | 116 | 08E | ~3 | HH-5 |
| 3 | CSI – 6 | 14 | 61E | 63 | 61E | 6 | |
| 4 | CSO – 4 | -12 | 46W | 170 | 46W | 3 | |
| 5 | BXI – 4 | -22 | 39W | 163 | 39W | ~5 | |
| 6 | DSO – 2 | -6 | 34W | 158 | 34W | 7 | |
| 7 | EKC – 18 | -17 | 05W | 129 | 05W | 12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.