Daily Sunspot Evaluation
Observation Sheet Monday, 26 January 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)
- 8
- Number of spots (f)
- 91
- Relative number (R)
- 171
- Observer
- AT
- Reading
- all checks consistent
- File
- 19700126.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 12 | 70E | 223 | |||
| 2 | J – 3 | -3 | 27E | 266 | |||
| 3 | H – 8 | -6 | 34E | 259 | |||
| 4 | D – 13 | -6 | 23E | 270 | |||
| 5 | J – 2 | -21 | 07E | 286 | |||
| 6 | D – 24 | -9 | 03W | 296 | |||
| 7 | E – 36 | -16 | 01W | 294 | |||
| 8 | H – 3 | -3 | 43W | 336 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.