Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 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)
- 11
- Number of spots (f)
- 63
- Relative number (R)
- 173
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20020122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 6 | 68W | 227 | 71W | ~2 | |
| 2 | HA – 2 | 10 | 58W | 217 | 61W | 2.5 | |
| 3 | HR – 1 | 28 | 05W | 164 | 08W | 0.5 | |
| 4 | DKC – 18 | 17 | 08E | 151 | 05E | ~9 | |
| 5 | HA – 1 | -5 | 74W | 233 | 77W | 1.5 | |
| 6 | HK – 1 | -27 | 69W | 228 | 72W | ~3 | |
| 7 | DAI – 12 | -12 | 43W | 202 | 46W | 4 | |
| 8 | DSO – 10 | -4 | 37W | 196 | 40W | 5.5 | |
| 9 | CAI – 8 | -15 | 15E | 144 | 12E | 6 | |
| 10 | DKC – 8 | -8 | 27E | 132 | 24E | 6 | |
| 11 | HR – 1 | -22 | 73E | 86 | 70E | 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.