Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 February 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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 12 | 15 | 68W | 115 | 62W | 20 | 17 |
| 2 | HKI – 4 | 12 | 41W | 88 | 41W | 3.5 | 13 |
| 3 | BXI – 11 | 13 | 19W | 66 | 19W | 6 | 15 |
| 4 | BXO – 4 | -13 | 02E | 45 | 02E | 4 | 10 |
| 5 | ? – 1 | -13 | 71E | 336 | 71E | 1 | 21 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.