Daily Sunspot Evaluation
Observation Sheet Saturday, 22 March 1958
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)
- 10
- Number of spots (f)
- 76
- Relative number (R)
- 176
- Observer
- MH
- Reading
- all checks consistent
- File
- 19580322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 20 | 22 | 4E | ||||
| 2 | E – 18 | 25 | 29E | ||||
| 3 | C – 6 | 9 | 15E | ||||
| 4 | C – 6 | 19 | 58E | ||||
| 5 | ? – 1 | -12 | 84E | ||||
| 6 | A – 1 | -22 | 23E | ||||
| 7 | J – 1 | -16 | 3W | ||||
| 8 | B – 12 | 12 | 52W | ||||
| 9 | D – 8 | 19 | 57W | ||||
| 10 | J – 3 | 36 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.