Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 April 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)
- 6
- Number of spots (f)
- 42
- Relative number (R)
- 102
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840403.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 8 | 20 | 02E | 311 | 01W | 4 | 65 |
| 2 | ? – 2 | -10 | 75W | 28 | 78W | 6.5 | 63 |
| 3 | BXI – 8 | -9 | 38W | 351 | 41W | 7 | 62 |
| 4 | FKC – 18 | -13 | 17W | 330 | 20W | 11.5 | 62 |
| 5 | CAI – 4 | -15 | 04W | 317 | 07W | 4.5 | 62 |
| 6 | BXO – 2 | -9 | 29E | 284 | 26E | 4 | 66 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.