Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 April 1983
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)
- 17
- Relative number (R)
- 37
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830405.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 15 | -16 | 48W | 126 | 51W | 4 | 24 |
| 2 | CRO – 2 | -13 | 48E | 30 | 45E | 2 | 82 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.