Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 October 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)
- 4
- Number of spots (f)
- 49
- Relative number (R)
- 89
- Observer
- FL
- Reading
- all checks consistent
- File
- 19871014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 27 | 21 | 22E | 194 | 19E | 8 | 78 |
| 2 | DAC – 9 | -27 | 26W | 242 | 29W | 8 | 79 |
| 3 | BRI – 11 | -24 | 06E | 210 | 03E | 6.0 | 81 |
| 4 | HAX – 2 | -31 | 31E | 185 | 28E | 2.5 | 80 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.