Daily Sunspot Evaluation
Observation Sheet Friday, 24 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)
- 74
- Relative number (R)
- 124
- Observer
- HM
- Reading
- all checks consistent
- File
- 19840224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 4 | 34 | 23W | 126 | 22W | 15 | 32 |
| 2 | FKC – 29 | 15 | 10W | 115 | 11W | 13 | 28 |
| 3 | DKC – 12 | 12 | 17E | 88 | 16E | 7 | 30 |
| 4 | DAI – 10 | -18 | 50W | 155 | 54W | 8 | 29 |
| 5 | DKC – 19 | -13 | 57E | 48 | 56E | 10 | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.