Daily Sunspot Evaluation
Observation Sheet Thursday, 6 February 2003
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)
- 6
- Number of spots (f)
- 40
- Relative number (R)
- 100
- Observer
- MB
- Reading
- all checks consistent
- File
- 20030206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 5 | 18 | 62E | 120 | 61E | ~6 | 35 |
| 2 | DSO – 5 | -5 | 42W | 224 | 43W | ~7 | 31 |
| 3 | ERI – 23 | -14 | 22E | 160 | 21E | 5.15 | 32 |
| 4 | DRO – 4 | -8 | 36E | 146 | 35E | ~4 | 33 |
| 5 | AX – 2 | -17 | 51E | 131 | 50E | ~0.5 | 34 |
| 6 | ? – 1 | -14 | 81E | 101 | 80E | ? | 36 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.