Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 April 1995
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)
- 30
- Relative number (R)
- 50
- Observer
- YK
- Reading
- all checks consistent
- File
- 19950419.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 10 | 9 | 38W | 40 | 40W | 8 | 42 |
| 2 | DAC – 20 | -9 | 40W | 42 | 42W | 9.5 | 41 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.