Daily Sunspot Evaluation
Observation Sheet Thursday, 4 January 2001
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)
- 71
- Relative number (R)
- 181
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20010104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAF – 8 | 24 | 08W | 181 | 10W | 4 | |
| 2 | HA – 4 | 25 | 03E | 170 | 01E | ~1.5 | |
| 3 | CAO – 5 | 14 | 06E | 167 | 04E | 6.5 | |
| 4 | DSC – 10 | 24 | 40E | 133 | 38E | 8.5 | |
| 5 | HS – 2 | 9 | 56E | 117 | 54E | 2 | |
| 6 | HS – 2 | -13 | 41W | 214 | 43W | 4.5 | |
| 7 | EKC – 32 | -7 | 30W | 203 | 32W | 13 | |
| 8 | HR – 2 | -22 | 06E | 167 | 04E | 2 | |
| 9 | AX – 3 | -7 | 37E | 136 | 35E | 4.5 | |
| 10 | HS – 2 | -13 | 55E | 118 | 53E | 2 | |
| 11 | HR – 1 | -13 | 61E | 112 | 59E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.