Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 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)
- 5
- Number of spots (f)
- 64
- Relative number (R)
- 114
- Observer
- FA
- Reading
- all checks consistent
- File
- 19720322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 9 | 01E | 1 | |||
| 2 | E – 21 | 8 | 32E | 330 | |||
| 3 | B – 29 | -19 | 15W | 17 | |||
| 4 | A – 1 | -8 | 68W | 70 | |||
| 5 | H – 10 | 9 | 26W | 28 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.