Daily Sunspot Evaluation
Observation Sheet Sunday, 27 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)
- 66
- Relative number (R)
- 156
- Observer
- MB
- Reading
- all checks consistent
- File
- 20020127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 12 | 18 | 64W | 157 | 66W | ~9.5 | |
| 2 | BXO – 3 | 14 | 63W | 156 | 65W | ~3 | |
| 3 | DAI – 7 | 13 | 21W | 114 | 23W | ~5 | |
| 4 | EAC – 21 | 7 | 45E | 48 | 43E | ~12 | |
| 5 | HK – 7 | -8 | 40W | 133 | 42W | ~4.5 | |
| 6 | DAC – 7 | -25 | 13E | 80 | 11E | ~5 | |
| 7 | HA – 2 | -2 | 61E | 32 | 59E | ~2 | |
| 8 | AX – 1 | -5 | 63E | 30 | 61E | - | |
| 9 | EAO – 6 | -14 | 71E | 22 | 69E | ~12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.