Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 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)
- 14
- Number of spots (f)
- 82
- Relative number (R)
- 222
- Observer
- SK
- Reading
- all checks consistent
- File
- 19700527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 18 | 56E | 82 | |||
| 2 | A – 1 | 16 | 47E | 91 | |||
| 3 | J – 1 | 11 | 46E | 92 | |||
| 4 | ? – 1 | 16 | 81E | 57 | |||
| 5 | J – 4 | -8 | 72E | 66 | |||
| 6 | ? – 2 | -12 | 80E | 58 | |||
| 7 | J – 1 | -19 | 75E | 63 | |||
| 8 | E – 27 | -6 | 07E | 131 | |||
| 9 | A – 6 | -9 | 17E | 121 | |||
| 10 | A – 1 | -27 | 62E | 76 | |||
| 11 | D – 23 | -15 | 18W | 156 | |||
| 12 | ? – 1 | -8 | 78W | 216 | |||
| 13 | A – 6 | 13 | 63W | 201 | |||
| 14 | C – 7 | 15 | 25W | 163 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.