Daily Sunspot Evaluation
Observation Sheet Sunday, 5 April 1992
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)
- 2
- Number of spots (f)
- 17
- Relative number (R)
- 37
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19920405.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 6 | 13 | 51W | 291 | 57W | 9° | 156 |
| 2 | CAI – 11 | -5 | 39E | 201 | 36E | 12 | 154 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.