Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 February 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)
- 90
- Relative number (R)
- 200
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20020226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 8 | 01W | 59 | 05W | 1.5 | |
| 2 | DAC – 21 | 20 | 01E | 59 | 01W | 8.5 | |
| 3 | DSC – 6 | 16 | 44E | 14 | 42E | 9.5 | 85 |
| 4 | ? – 4 | -19 | 85W | 143 | 87W | ? | |
| 5 | HA – 1 | -24 | 61W | 119 | 63W | 0.5 | 100 |
| 6 | DSC – 11 | -4 | 59W | 117 | 61W | ~10 | HE |
| 7 | ESC – 12 | -13 | 53W | 111 | 55W | 10.5 | |
| 8 | DAC – 9 | -21 | 40W | 98 | 42W | 8 | |
| 9 | CRI – 7 | -27 | 16E | 42 | 14E | 4.5 | |
| 10 | DAO – 3 | -20 | 29E | 29 | 27E | 6 | |
| 11 | DAC – 13 | -14 | 32E | 26 | 30E | ~7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.