Daily Sunspot Evaluation
Observation Sheet Tuesday, 29 January 2002
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)
- 87
- Relative number (R)
- 177
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20020129.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 25 | 01E | 66 | 02W | 6.5 | |
| 2 | EKC – 43 | 7 | 18E | 49 | 15E | 14.5 | |
| 3 | DRO – 3 | 14 | 62E | 5 | 59E | 4.5 | |
| 4 | HA – 1 | 10 | 67E | 0 | 64E | ~1.5 | |
| 5 | HK – 4 | -8 | 67W | 134 | 70W | ~5 | 51 |
| 6 | DAO – 4 | -25 | 65W | 132 | 68W | ~4 | |
| 7 | DAC – 6 | -24 | 14W | 81 | 17W | 6 | |
| 8 | HS – 3 | -3 | 33E | 34 | 30E | 3 | |
| 9 | EHC – 21 | -15 | 45E | 22 | 42E | 11.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.