Daily Sunspot Evaluation
Observation Sheet Friday, 24 March 1972
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)
- 8
- Number of spots (f)
- 74
- Relative number (R)
- 154
- Observer
- ED
- Reading
- all checks consistent
- File
- 19720324.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 23 | 8 | 03E | 332 | |||
| 2 | A – 1 | -4 | 35E | 300 | |||
| 3 | B – 7 | -11 | 25E | 310 | |||
| 4 | B – 18 | -19 | 42W | 17 | |||
| 5 | B – 3 | -16 | 26W | 1 | |||
| 6 | H – 4 | 9 | 54W | 29 | |||
| 7 | B – 4 | 14 | 63W | 38 | |||
| 8 | D – 14 | 10 | 26W | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.