Daily Sunspot Evaluation
Observation Sheet Monday, 13 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)
- 59
- Relative number (R)
- 119
- Observer
- FA
- Reading
- all checks consistent
- File
- 19780313.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 18 | 16 | 08E | 353 | 06E | ||
| 2 | C – 13 | -2 | 06E | 355 | 04E | ||
| 3 | E – 19 | -31 | 46E | 315 | 44E | ||
| 4 | B – 3 | -30 | 23E | 338 | 21E | ||
| 5 | H – 5 | 15 | 37W | 38 | 39W | ||
| 6 | A – 1 | 25 | 64W | 65 | 66W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.