Daily Sunspot Evaluation
Observation Sheet Monday, 18 January 1982
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)
- 68
- Relative number (R)
- 168
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DHO – 5 | 2 | 32W | 181 | 35W | 10 | 22 |
| 2 | CAO – 4 | 6 | 26E | 123 | 23E | 4 | 16 |
| 3 | HAX – 1 | 9 | 35E | 114 | 32E | 2 | 10 |
| 4 | AXX – 1 | 2 | 57E | 92 | 54E | 0.5 | 17 |
| 5 | DAI – 15 | -8 | 44W | 193 | 47W | 8E | 15 |
| 6 | AXX – 1 | -19 | 41W | 190 | 44W | 21 | |
| 7 | AXX – 3 | -15 | 35W | 184 | 38W | 1.5 | 15 |
| 8 | DAI – 20 | -10 | 21W | 170 | 24W | 6.25E | 17 |
| 9 | DAI – 16 | -15 | 09W | 158 | 12W | 6.5 | 12 |
| 10 | BXO – 2 | -10 | 04W | 153 | 07W | 3 | 21 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.