Daily Sunspot Evaluation
Observation Sheet Thursday, 23 October 1986
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)
- 52
- Relative number (R)
- 82
- Observer
- HG
- Reading
- all checks consistent
- File
- 19861023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 35 | 23 | 04E | 230 | 02E | 14 21 | |
| 2 | CAI – 8 | -27 | 44E | 190 | 42E | 8 10 | |
| 3 | BXI – 9 | -15 | 51E | 183 | 49E | 6 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.