Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 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)
- 10
- Number of spots (f)
- 50
- Relative number (R)
- 150
- Observer
- SM
- Reading
- all checks consistent
- File
- 19700505.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 12 | 13E | 56 | |||
| 2 | D – 10 | 17 | 59E | 10 | |||
| 3 | A – 1 | 14 | 68E | 1 | |||
| 4 | H – 12 | -12 | 10E | 59 | |||
| 5 | H – 2 | -22 | 01W | 70 | |||
| 6 | A – 1 | -16 | 10W | 79 | |||
| 7 | B – 7 | -13 | 26W | 95 | |||
| 8 | J – 2 | -12 | 42W | 111 | |||
| 9 | H – 4 | -8 | 53W | 122 | |||
| 10 | D – 10 | 19 | 69W | 138 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.