Daily Sunspot Evaluation
Observation Sheet Friday, 26 February 1999
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)
- 3
- Number of spots (f)
- 28
- Relative number (R)
- 58
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19990226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 16 | 28 | 25E | 99 | 22E | 8 | |
| 2 | CRO – 7 | 28 | 51E | 73 | 48E | 6 | |
| 3 | CAO – 5 | -25 | 28E | 96 | 25E | 9 | Dac-> |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.