Daily Sunspot Evaluation
Observation Sheet Tuesday, 20 November 1984
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)
- 2
- Number of spots (f)
- 10
- Relative number (R)
- 30
- Observer
- HM
- Reading
- all checks consistent
- File
- 19841120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 8 | 19 | 11W | 151 | 13W | 4.5 | 182 |
| 2 | DKO – 2 | -12 | 83E | 57 | 81E | 12 | 183 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.