Daily Sunspot Evaluation
Observation Sheet Monday, 26 April 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)
- 27
- Relative number (R)
- 67
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 13 | 12 | 49W | 231 | 45W | 7 | 93 |
| 2 | DSO – 3 | 9 | 57E | 127 | 55E | 9 | 103 |
| 3 | DAO – 7 | -13 | 67W | 251 | 69W | 10 | 89 |
| 4 | BXS – 4 | -15 | 27W | 211 | 29W | 4.5 | 81 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.