Daily Sunspot Evaluation
Observation Sheet Friday, 27 March 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)
- 7
- Number of spots (f)
- 41
- Relative number (R)
- 111
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700327.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 9 | 21 | 01E | 223 | |||
| 2 | H – 5 | 4 | 63E | 161 | |||
| 3 | J – 1 | -3 | 36E | 188 | |||
| 4 | H – 2 | -3 | 38W | 262 | |||
| 5 | G – 6 | 10 | 30W | 254 | |||
| 6 | B – 6 | 17 | 34W | 258 | |||
| 7 | H – 12 | 14 | 14W | 238 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.