Daily Sunspot Evaluation
Observation Sheet Wednesday, 13 April 1994
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)
- 14
- Relative number (R)
- 34
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19940413.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 11 | 7 | 17E | 202 | 14E | 4 | 57 |
| 2 | AX – 3 | 10 | 19E | 200 | 16E | 1 | 60 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.