Daily Sunspot Evaluation
Observation Sheet Thursday, 20 October 1994
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)
- 29
- Relative number (R)
- 79
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19941020.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 10 | 72W | 298 | 73W | 1.5 | 158 |
| 2 | CAI – 14 | 11 | 30W | 256 | 31W | 1.5 | 159 |
| 3 | HA – 1 | -13 | 61W | 287 | 62W | 1.5 | 162 |
| 4 | CAO – 11 | -8 | 55E | 171 | 54E | 1.0 | 161 |
| 5 | AX – 2 | -11 | 60E | 166 | 59E | 1 | 163 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.