Daily Sunspot Evaluation
Observation Sheet Monday, 1 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)
- 9
- Number of spots (f)
- 63
- Relative number (R)
- 153
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | -16 | 56E | 135 | |||
| 2 | ? – 2 | -21 | 85E | 126 ⚠ | |||
| 3 | C – 2 | -35 | 40E | 151 | |||
| 4 | E – 29 | -28 | 04W | 195 | |||
| 5 | D – 7 | -13 | 08W | 199 | |||
| 6 | B – 6 | -17 | 12W | 203 | |||
| 7 | B – 10 | -16 | 16W | 207 | |||
| 8 | H – 2 | -23 | 59W | 250 | |||
| 9 | F – 4 | -16 | 65W | 256 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.