Daily Sunspot Evaluation
Observation Sheet Thursday, 25 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)
- 8
- Number of spots (f)
- 76
- Relative number (R)
- 156
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20010125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 4 | 75W | 332 | 78W | ~3 | |
| 2 | EAC – 36 | -7 | 16W | 273 | 19W | 12 | |
| 3 | HA – 2 | 10 | 27E | 230 | 24E | 1 | |
| 4 | HA – 2 | 10 | 75E | 182 | 72E | 2 | |
| 5 | HA – 3 | -22 | 21W | 278 | 24W | ~2 | |
| 6 | DAO – 3 | -28 | 13W | 270 | 16W | ~6 | |
| 7 | DAI – 11 | -16 | 08E | 249 | 05E | 7 | |
| 8 | DKC – 18 | -4 | 28E | 229 | 25E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.