Daily Sunspot Evaluation
Observation Sheet Monday, 23 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)
- 3
- Number of spots (f)
- 15
- Relative number (R)
- 45
- Observer
- HM
- Reading
- all checks consistent
- File
- 19840423.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HSX – 2 | -11 | 11E | 38 | 08E | 2.14 | 74 |
| 2 | DAO – 6 | -11 | 57E | 352 | 54E | 7.18 | 76 |
| 3 | FKC – 7 | -12 | 73E | 336 | 70E | 14.40 | 77 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.