Daily Sunspot Evaluation
Observation Sheet Wednesday, 10 May 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)
- 8
- Number of spots (f)
- 37
- Relative number (R)
- 117
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 7 | 17 | 20E | 296 | 47E | ||
| 2 | C – 5 | 18 | 29E | 287 | 26E | ||
| 3 | A – 1 | 20 | 52E | 264 | 49E | ||
| 4 | D – 9 | -19 | 60E | 256 | 57E | ||
| 5 | B – 5 | -31 | 24E | 292 | 21E | ||
| 6 | A – 1 | -14 | 05E | 311 | 02E | ||
| 7 | D – 8 | -27 | 27W | 343 | 30W | ||
| 8 | J – 1 | 17 | 36W | 352 | 38W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.