Daily Sunspot Evaluation
Observation Sheet Saturday, 30 May 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)
- 51
- Relative number (R)
- 131
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700530.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 11 | 05E | 94 | |||
| 2 | J – 3 | 16 | 44E | 55 | |||
| 3 | H – 3 | -9 | 29E | 70 | |||
| 4 | H – 1 | -13 | 41E | 58 | |||
| 5 | H – 1 | -20 | 35E | 64 | |||
| 6 | H – 4 | -15 | 62W | 161 | |||
| 7 | E – 22 | -7 | 35W | 134 | |||
| 8 | D – 14 | 18 | 24W | 123 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.