Daily Sunspot Evaluation
Observation Sheet Monday, 6 May 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)
- 10
- Number of spots (f)
- 48
- Relative number (R)
- 148
- Observer
- AT
- Reading
- all checks consistent
- File
- 19680506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 20 | 3E | 328 | |||
| 2 | E – 12 | 20 | 23E | 308 | |||
| 3 | D – 9 | 17 | 40E | 291 | |||
| 4 | J – 1 | 13 | 58E | 273 | |||
| 5 | ? – 1 | -28 | 88E | 243 | |||
| 6 | A – 1 | -14 | 67W | 38 | |||
| 7 | D – 11 | 16 | 60W | 31 | |||
| 8 | C – 6 | 9 | 31W | 2 | |||
| 9 | A – 1 | 18 | 40W | 11 | |||
| 10 | H – 5 | 18 | 12W | 343 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.