Daily Sunspot Evaluation
Observation Sheet Tuesday, 29 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)
- 11
- Number of spots (f)
- 108
- Relative number (R)
- 218
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20000229.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 21 | 69W | 16 | 72W | 23 | |
| 2 | DSI – 9 | 19 | 49W | 356 | 51W | 10 | |
| 3 | HS – 2 | 13 | 36W | 343 | 39W | 23 | |
| 4 | HA – 4 | 11 | 26W | 333 | 29W | 2.5 | |
| 5 | HB – 3 | 35 | 02W | 309 | 05W | 2 | |
| 6 | FKC – 12 | 19 | 15E | 292 | 12E | 17 | |
| 7 | HA – 2 | 4 | 36E | 271 | 33E | 21 | |
| 8 | HK – 2 | 16 | 72E | 235 | 69E | 3 | 2-2 |
| 9 | DAE – 10 | -15 | 41W | 348 | 44W | 5.5 | |
| 10 | EKC – 31 | -18 | 21W | 328 | 24W | 11 | |
| 11 | EKC – 32 | -17 | 31E | 276 | 28E | 12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.