Daily Sunspot Evaluation
Observation Sheet Tuesday, 18 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)
- 34
- Relative number (R)
- 54
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19950418.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 12 | 10 | 24W | 39 | 26W | 2.5 | 42 |
| 2 | GAC – 22 | -4 | 25W | 40 | 27W | 10.5 | 41 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.