Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 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)
- 3
- Number of spots (f)
- 4
- Relative number (R)
- 34
- Observer
- MB
- Reading
- all checks consistent
- File
- 19940419.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 6 | 22E | 118 | 19E | 0.2 | 62 |
| 2 | AX – 1 | 8 | 41E | 99 | 38E | - | 64 |
| 3 | AX – 2 | -13 | 30E | 110 | 22E | 0.5 | 63 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.