Daily Sunspot Evaluation
Observation Sheet Sunday, 29 February 2004
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)
- 43
- Relative number (R)
- 93
- Observer
- MB
- Reading
- all checks consistent
- File
- 20040229.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 11 | 13 | 60W | 162 | 61W | ~12 | 28 |
| 2 | HR – 1 | -14 | 50W | 152 | 51W | - | 34 |
| 3 | HK – 6 | -4 | 43W | 145 | 44W | ~4.5 | 31 |
| 4 | AX – 7 | -11 | 09W | 111 | 10W | ~2.5 | 35 |
| 5 | CAI – 18 | -13 | 33E | 69 | 32E | ~8 | 32 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.