Daily Sunspot Evaluation
Observation Sheet Monday, 25 September 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)
- 15
- Number of spots (f)
- 85
- Relative number (R)
- 235
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 10 | 29 | 12E | 279 | 09E | ||
| 2 | J – 1 | 37 | 70E | 221 | 67E | ||
| 3 | J – 1 | 19 | 75E | 216 | 72E | ||
| 4 | D – 7 | -11 | 52E | 239 | 49E | ||
| 5 | D – 3 | -11 | 41E | 250 | 38E | ||
| 6 | B – 2 | -17 | 48E | 243 | 45E | ||
| 7 | D – 9 | -19 | 16W | 309 | 19W | ||
| 8 | C – 8 | -14 | 17W | 308 | 20W | ||
| 9 | H – 16 | -24 | 48W | 339 | 51W | ||
| 10 | C – 4 | -17 | 62W | 353 | 65W | ||
| 11 | C – 12 | 15 | 47W | 338 | 50W | ||
| 12 | ? – 1 | 27 | 88W | 19 | 91W | ||
| 13 | D – 7 | 35 | 72W | 3 | 75W | ||
| 14 | A – 3 | 31 | 31W | 322 | 34W | ||
| 15 | J – 1 | 25 | 16W | 307 | 19W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.