Daily Sunspot Evaluation
Observation Sheet Saturday, 19 March 1966
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)
- 3
- Number of spots (f)
- 35
- Relative number (R)
- 65
- Observer
- LT
- Reading
- all checks consistent
- File
- 19660319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 32 | 18 | 26°W | 149 | 146 | E | |
| 2 | A – 2 | 21 | 37°W | 269 | 137 | E | |
| 3 | J – 1 | 28 | 54°E | 118 | 226 | W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.