Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 10
- Number of spots (f)
- 94
- Relative number (R)
- 194
- Observer
- HM
- Reading
- all checks consistent
- File
- 19811101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 7 | 16 | 68W | 165 | 71W | 2.5 | |
| 2 | AXX – 1 | 9 | 39W | 136 | 42W | ||
| 3 | CAI – 6 | 13 | 24W | 121 | 27W | 9 | |
| 4 | CSI – 6 | 12 | 07W | 104 | 10W | 6 | |
| 5 | CKI – 9 | 15 | 19E | 78 | 16E | 5.5 | |
| 6 | DAI – 6 | 27 | 24E | 73 | 21E | 9.5 | |
| 7 | HSX – 1 | 18 | 66E | 31 | 68E | 1.5 | |
| 8 | BXO – 7 | -23 | 16E | 81 | 13E | 5.5 | |
| 9 | HSX – 3 | -8 | 31E | 66 | 28E | 3 | |
| 10 | FKC – 48 | -13 | 46E | 51 | 43E | 19 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.