Daily Sunspot Evaluation
Observation Sheet Sunday, 24 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)
- 6
- Number of spots (f)
- 50
- Relative number (R)
- 110
- Observer
- TA
- Reading
- all checks consistent
- File
- 20020224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSO – 7 | 22 | 27E | 57 | 25E | 6.5 | |
| 2 | HS – 5 | 9 | 27E | 57 | 25E | 3 | |
| 3 | ESC – 15 | -19 | 57W | 141 | 59W | 14 | |
| 4 | CSO – 7 | -21 | 37W | 121 | 39W | ~7 | |
| 5 | CSI – 14 | -17 | 26W | 110 | 28W | ~6 | |
| 6 | CRO – 2 | -14 | 60E | 24 | 58E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.