Daily Sunspot Evaluation
Observation Sheet Monday, 22 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)
- 7
- Number of spots (f)
- 66
- Relative number (R)
- 136
- Observer
- TA
- Reading
- all checks consistent
- File
- 20010122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRI – 9 | 3 | 42W | 337 | 43W | 9 | |
| 2 | HR – 1 | -34 | 56W | 351 | 57W | 1 | |
| 3 | CRI – 10 | -20 | 48W | 343 | 49W | 7 | |
| 4 | DRO – 4 | -24 | 03W | 298 | 04W | ~4 | |
| 5 | EAC – 24 | -6 | 22E | 273 | 21E | ~11 | |
| 6 | CAO – 8 | -15 | 44E | 251 | 43E | 7 | |
| 7 | DAO – 10 | -4 | 65E | 230 | 64E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.