Daily Sunspot Evaluation
Observation Sheet Monday, 22 January 1968
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)
- 15
- Relative number (R)
- 75
- Observer
- DK
- Reading
- all checks consistent
- File
- 19680122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 13 | 40E | 234 | |||
| 2 | A – 1 | 8 | 45E | 229 | |||
| 3 | ? – 1 | -11 | 75E | 199 | |||
| 4 | C – 7 | -14 | 20E | 254 | |||
| 5 | J – 1 | -18 | 27E | 247 | |||
| 6 | J – 3 | -28 | 03W | 277 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.