Daily Sunspot Evaluation
Observation Sheet Thursday, 2 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)
- 30
- Relative number (R)
- 80
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 4 | 15 | 76W | 112 | 78W | 14 | 12 |
| 2 | HKE – 7 | 11 | 53W | 89 | 55W | 9.5 | 13 |
| 3 | BXI – 12 | 12 | 30W | 66 | 32W | 6.5 | 14 |
| 4 | BXO – 4 | -13 | 10W | 46 | 12W | 4 | 20 |
| 5 | HAX – 3 | -12 | 60E | 336 | 58E | 3 | 21 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.