Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 March 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)
- 5
- Number of spots (f)
- 24
- Relative number (R)
- 74
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 24 | 55W | 129 | 58W | 62 | |
| 2 | HAX – 1 | -8 | 69W | 143 | 72W | 3 | 59 |
| 3 | DAO – 12 | -16 | 50W | 124 | 53W | 11.5 | 56 |
| 4 | CKO – 5 | -21 | 45W | 119 | 48W | 6.5E | 58 |
| 5 | DAO – 5 | -2 | 19W | 91 | 20W | 5E | 61 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.