Daily Sunspot Evaluation
Observation Sheet Monday, 2 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)
- 78
- Relative number (R)
- 138
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840402.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 5 | 20 | 17E | 310 | 14E | 5.5 | 65 |
| 2 | BXO – 6 | -10 | 60W | 27 | 63W | 8 | 63 |
| 3 | CAI – 12 | -10 | 23W | 350 | 26W | 7 | 60 |
| 4 | FKC – 41 | -13 | 02W | 329 | 05W | 17 | 62 |
| 5 | CAO – 10 | -15 | 13E | 314 | 10E | 7.5 | 68 |
| 6 | BRE – 4 | -10 | 45E | 282 | 42E | 7 | 66 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.