Daily Sunspot Evaluation
Observation Sheet Sunday, 27 August 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)
- 29
- Relative number (R)
- 89
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780827.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 8 | 21 | 66E | 248 | 63E | ||
| 2 | C – 9 | 11 | 25E | 289 | 22E | ||
| 3 | J – 1 | -17 | 05E | 309 | 02E | ||
| 4 | A – 1 | -24 | 25W | 339 | 28W | ||
| 5 | A – 1 | -28 | 29W | 343 | 32W | ||
| 6 | C – 9 | -21 | 34W | 348 | 37W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.