Daily Sunspot Evaluation
Observation Sheet Friday, 4 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
- OG
- Reading
- all checks consistent
- File
- 19830304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 2 | 16 | 44W | 182 | 46W | 2 | 51 |
| 2 | HKX – 3 | -18 | 22W | 160 | 24W | 3 | 54 |
| 3 | DAO – 10 | -9 | 00 | 138 | 02W | 7.5 | 59 |
| 4 | DAO – 6 | -17 | 12E | 126 | 10E | 8 | 56 |
| 5 | DAO – 3 | -20 | 20E | 118 | 18E | 7 | 58 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.