Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 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)
- 14
- Number of spots (f)
- 56
- Relative number (R)
- 196
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780927.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 36 | 43E | 220 | 41E | ||
| 2 | C – 8 | 39 | 58E | 205 | 56E | ||
| 3 | H – 5 | 19 | 46E | 217 | 44E | ||
| 4 | J – 3 | -21 | 64E | 199 | 62E | ||
| 5 | C – 5 | -11 | 23E | 240 | 21E | ||
| 6 | J – 1 | -17 | 33E | 230 | 31E | ||
| 7 | B – 3 | -18 | 20E | 243 | 18E | ||
| 8 | J – 1 | -12 | 09E | 254 | 06E | ||
| 9 | C – 9 | -19 | 43W | 306 | 45W | ||
| 10 | J – 4 | -13 | 48W | 311 | 50W | ||
| 11 | B – 2 | 14 | 73W | 336 | 75W | ||
| 12 | C – 4 | 20 | 31W | 294 | 33W | ||
| 13 | J – 2 | 24 | 43W | 306 | 45W | ||
| 14 | E – 8 | 29 | 17W | 280 | 19W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.