Daily Sunspot Evaluation
Observation Sheet Monday, 24 August 1987
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)
- 2
- Number of spots (f)
- 9
- Relative number (R)
- 29
- Observer
- FL
- Reading
- all checks consistent
- File
- 19870824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 8 | 16 | 44E | 124 | 43E | 3.67 | 59 |
| 2 | HAX – 1 | -30 | 72W | 240 | 73W | 5.64 | 56 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.