Daily Sunspot Evaluation
Observation Sheet Saturday, 1 June 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)
- 103
- Relative number (R)
- 203
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680601.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 21 | 9 | 12E | 335 | |||
| 2 | H – 12 | 17 | 54E | 294 | |||
| 3 | D – 13 | -15 | 55E | 342 ⚠ | |||
| 4 | H – 4 | -12 | 13E | 334 | |||
| 5 | E – 33 | -35 | 25E | 322 | |||
| 6 | D – 5 | -21 | 66W | 53 | |||
| 7 | B – 7 | 13 | 13W | 0 | |||
| 8 | J – 5 | 24 | 29W | 16 | |||
| 9 | J – 2 | 17 | 19W | 6 | |||
| 10 | A – 1 | 16 | 3W | 350 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.