Daily Sunspot Evaluation
Observation Sheet Saturday, 3 October 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)
- 16
- Number of spots (f)
- 119
- Relative number (R)
- 279
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19811003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKO – 8 | 8 | 30W | 190 ⚠ | 32W | 4 | |
| 2 | CAI – 10 | 7 | 40W | 160 | 43W | 55 | |
| 3 | HAX – 5 | 17 | 22W | 147 ⚠ | 30W | 2 | |
| 4 | CAO – 10 | 15 | 14W | 134 | 17W | 8 | |
| 5 | DAC – 31 | 13 | 06E | 114 | 03E | 8 | |
| 6 | DKC – 14 | 9 | 54E | 66 | 51E | 65 | |
| 7 | ? – 1 | -9 | 81W | 201 | 84W | - | |
| 8 | HSX – 1 | -14 | 86W | 186 ⚠ | 69W | 15 | |
| 9 | HAX – 4 | -5 | 38W | 158 | 41W | 225 | |
| 10 | AXX – 3 | -15 | 23W | 143 | 26W | 1 | |
| 11 | AXX – 2 | -5 | 21W | 141 | 24W | 125 | |
| 12 | HAX – 2 | -16 | 07W | 127 | 10W | 2 | |
| 13 | DKC – 11 | -14 | 12E | 108 | 09E | 4 | |
| 14 | AXX – 5 | -7 | 28E | 92 | 25E | 4 | |
| 15 | AXX – 2 | -11 | 29E | 91 | 26E | - | |
| 16 | DAI – 10 | -7 | 42E | 73 ⚠ | 44E | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.