Daily Sunspot Evaluation
Observation Sheet Monday, 2 October 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)
- 6
- Number of spots (f)
- 24
- Relative number (R)
- 84
- Observer
- HM
- Reading
- all checks consistent
- File
- 19721002.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 7 | 11 | 06E | 311 | |||
| 2 | G – 3 | 18 | 45E | 272 | |||
| 3 | J – 1 | 20 | 76E | 241 | |||
| 4 | J – 1 | -9 | 43E | 274 | |||
| 5 | ? – 2 | -22 | 73E | 244 | |||
| 6 | E – 10 | -8 | 20W | 337 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.