Daily Sunspot Evaluation
Observation Sheet Monday, 29 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)
- 39
- Relative number (R)
- 109
- Observer
- TA
- Reading
- all checks consistent
- File
- 20010129.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 2 | 27 | 59W | 264 | 62W | ~3 | |
| 2 | HR – 2 | 3 | 65W | 270 | 68W | ~1 | |
| 3 | DAI – 5 | 9 | 19E | 186 | 16E | 4.5 | |
| 4 | HR – 2 | -6 | 68W | 273 | 71W | ~1.5 | |
| 5 | HR – 1 | -24 | 70W | 275 | 73W | ~0.5 | |
| 6 | EAC – 24 | -4 | 29W | 234 | 32W | ~11 | |
| 7 | CAO – 3 | -10 | 60E | 145 | 57E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.