Daily Sunspot Evaluation
Observation Sheet Sunday, 7 March 1965
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)
- 13
- Relative number (R)
- 33
- Observer
- NK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19650307.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BC – 9 | 30 | 16W | 124 ⚠ | |||
| 2 | BC – 4 | 22 | 68W | 168 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.