Daily Sunspot Evaluation
Observation Sheet Tuesday, 14 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)
- 39
- Relative number (R)
- 119
- Observer
- HM
- Reading
- all checks consistent
- File
- 19720314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 20 | 15 | 01E | 106 | |||
| 2 | C – 7 | 8 | 19E | 88 | |||
| 3 | ? – 1 | 9 | 77E | 30 | |||
| 4 | C – 5 | -6 | 55E | 52 | |||
| 5 | J – 1 | -19 | 15E | 92 | |||
| 6 | J – 1 | -21 | 38W | 145 | |||
| 7 | J – 2 | -9 | 74W | 181 | |||
| 8 | J – 2 | 16 | 13W | 120 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.