Daily Sunspot Evaluation
Observation Sheet Sunday, 27 December 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)
- 5
- Number of spots (f)
- 22
- Relative number (R)
- 72
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19701227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 10 | 07E | 184 | |||
| 2 | H – 1 | 16 | 37E | 154 | |||
| 3 | C – 12 | 11 | 29E | 162 | |||
| 4 | B – 2 | 21 | 60E | 131 | |||
| 5 | J – 6 | -10 | 35W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.