Daily Sunspot Evaluation
Observation Sheet Thursday, 12 November 1970
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)
- 38
- Relative number (R)
- 88
- Observer
- HA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19701112.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 24 | 13 | 27E | 34 | |||
| 2 | G – 3 | 6 | 67E | 35 ⚠ | |||
| 3 | D – 6 | -12 | 61E | 0 | |||
| 4 | C – 4 | -12 | 11E | 50 | |||
| 5 | J – 1 | -13 | 05E | 56 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.