Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 February 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)
- 27
- Relative number (R)
- 117
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 3 | 24 | 69W | 187 | 71W | 9 | |
| 2 | HS – 1 | 18 | 09E | 109 | 03E | 2 | |
| 3 | HH – 1 | -6 | 50W | 168 | 52W | 3 | |
| 4 | DSI – 8 | -17 | 52W | 170 | 54W | 10 | |
| 5 | HS – 1 | -25 | 52W | 170 | 54W | 1 | |
| 6 | DSO – 2 | -26 | 33W | 151 | 35W | 4 | |
| 7 | DAC – 7 | -23 | 01E | 117 | 01W | 7 | |
| 8 | HS – 1 | -10 | 35E | 83 | 33E | 1 | |
| 9 | DAO – 3 | -14 | 57E | 61 | 55E | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.