Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 29
- Relative number (R)
- 79
- Observer
- MB
- Reading
- all checks consistent
- File
- 20040201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 14 | 27E | 84 | 26E | ~3.5 | 15 |
| 2 | EAO – 5 | 13 | 65E | 46 | 64E | 11 | 17 |
| 3 | DRI – 16 | -10 | 05W | 116 | 06W | 5 | 13 |
| 4 | HR – 1 | -9 | 08E | 103 | 07E | 6.0.5 | 14 |
| 5 | CRO – 3 | -11 | 35E | 76 | 34E | 4 | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.