Daily Sunspot Evaluation
Observation Sheet Thursday, 24 February 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)
- 21
- Relative number (R)
- 51
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 30 | 40E | 73 | 54 | ||
| 2 | H – 6 | 23 | 40W | 153 | |||
| 3 | C – 11 | 22 | 20W | 133 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.