Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 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)
- 17
- Number of spots (f)
- 75
- Relative number (R)
- 245
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20020123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 6 | 85W | 231 | 88W | ? | |
| 2 | HS – 3 | 10 | 72W | 218 | 75W | 2 | |
| 3 | HR – 2 | 22 | 56W | 202 | 59W | 2 | |
| 4 | AX – 1 | 14 | 49W | 195 | 52W | - | |
| 5 | HR – 1 | 29 | 18W | 164 | 21W | 0.5 | |
| 6 | ESI – 23 | 17 | 06W | 152 | 09W | 11 | |
| 7 | AX – 2 | 10 | 114 | ||||
| 8 | DAO – 5 | 7 | 120 | ||||
| 9 | ? – 1 | -26 | 85W | 231 | 88W | ? | |
| 10 | CSO – 5 | -12 | 56W | 202 | 59W | 4 | |
| 11 | AX – 3 | -14 | 56W | 202 | 59W | ~1 | |
| 12 | OSO – 4 | -4 | 51W | 197 | 54W | 6 | |
| 13 | DAO – 5 | -15 | 01E | 145 | 02E | 4 | |
| 14 | HS – 12 | -8 | 14E | 132 | 11E | 9 | |
| 15 | AX – 2 | 17 | 41E | 105 | 78E | 2 | |
| 16 | DAO – 3 | -2 | 55E | 91 | 52E | 8 | |
| 17 | HS – 2 | -25 | 65E | 81 | 62E | ~2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.