Daily Sunspot Evaluation
Observation Sheet Thursday, 10 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)
- 4
- Number of spots (f)
- 13
- Relative number (R)
- 53
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830310.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | -8 | 81W | 142 | 84W | 2 | 59 |
| 2 | HSX – 1 | -15 | 68W | 129 | 71W | 2 | 56 |
| 3 | DAO – 6 | -20 | 56W | 117 | 59W | 95E | 58 |
| 4 | DAO – 5 | -2 | 30W | 91 | 33W | 6 | 61 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.