Daily Sunspot Evaluation
Observation Sheet Friday, 27 November 1981
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)
- 42
- Relative number (R)
- 92
- Observer
- HM
- Reading
- all checks consistent
- File
- 19811127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSI – 15 | 12 | 03E | 111 | 01E | 8 | |
| 2 | CSO – 4 | -21 | 10E | 104 | 08E | 4.5 | |
| 3 | FKC – 17 | -10 | 52E | 62 | 50E | 15 | |
| 4 | AXX – 3 | -14 | 59E | 55 | 57E | 2.5 | |
| 5 | AXX – 3 | -17 | 61E | 53 | 59E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.