Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 March 1978
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)
- 6
- Number of spots (f)
- 48
- Relative number (R)
- 108
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780307.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 21 | 13 | 01E | 79 | 01W | 8646 | |
| 2 | E – 20 | 21 | 02E | 78 | 00 | ||
| 3 | ? – 2 | 27 | 14E | 66 | 12E | ||
| 4 | H – 2 | 17 | 43E | 37 | 41E | ||
| 5 | ? – 2 | 17 | 82E | 358 | 80E | ||
| 6 | ? – 1 | 17 | 64W | 144 | 66W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.