Daily Sunspot Evaluation
Observation Sheet Saturday, 31 March 1984
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)
- 7
- Number of spots (f)
- 84
- Relative number (R)
- 154
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19840331.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 14 | 12E | 339 | 10E | - | 61 |
| 2 | DAC – 13 | 20 | 41E | 310 | 39E | 6 | 62 |
| 3 | AXX – 1 | -13 | 68W | 59 | 70W | - | 63 |
| 4 | DAI – 12 | -11 | 36W | 27 | 38W | 9 | 64 |
| 5 | CSI – 5 | -10 | 01E | 350 | 01W | 85 | 65 |
| 6 | FKC – 49 | -14 | 26E | 325 | 24E | 225 | 66 |
| 7 | CAI – 3 | -10 | 67E | 284 | 65E | 6 | 67 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.