Daily Sunspot Evaluation
Observation Sheet Wednesday, 15 January 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)
- 9
- Number of spots (f)
- 30
- Relative number (R)
- 120
- Observer
- TG
- Reading
- all checks consistent
- File
- 20030115.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 14 | 02E | 111 | 00 | 0.5 | 17 |
| 2 | HA – 1 | 7 | 49E | 64 | 47E | 2 | 19 |
| 3 | CAO – 3 | 11 | 61E | 52 | 59E | 9 | 20 |
| 4 | DAO – 8 | -18 | 39W | 152 | 41W | 10 | 10 |
| 5 | DAC – 6 | -19 | 17W | 130 | 19W | 4 | 13 |
| 6 | HA – 4 | -28 | 16W | 129 | 18W | 3 | 12 |
| 7 | HA – 4 | -17 | 04W | 117 | 06W | 2 | 16 |
| 8 | HS – 2 | -15 | 12E | 101 | 10E | 2 | 15 |
| 9 | HA – 1 | -16 | 25E | 88 | 23E | 1 | 18 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.