Daily Sunspot Evaluation
Observation Sheet Friday, 26 March 1993
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)
- 4
- Number of spots (f)
- 10
- Relative number (R)
- 50
- Observer
- YK
- Reading
- all checks consistent
- File
- 19930326.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 20 | 18W | 250 | 19W | 2 | 80 |
| 2 | BXO – 3 | 22 | 41E | 191 | 40E | 6 | 77 |
| 3 | HK – 2 | 5 | 74E | 158 | 78E | 3.5 | 79 |
| 4 | DAC – 3 | -12 | 53W | 288 | 54W | 3 | 65 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.