Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 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)
- 6
- Relative number (R)
- 26
- Observer
- MB
- Reading
- all checks consistent
- File
- 19940412.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 5 | 8 | 29E | 203 | 26E | 1 | 57 |
| 2 | AX – 1 | 16 | 32E | 200 | 29E | - | 60 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.