Daily Sunspot Evaluation
Observation Sheet Monday, 27 August 1973
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)
- 4
- Number of spots (f)
- 19
- Relative number (R)
- 59
- Observer
- FA
- Reading
- all checks consistent
- File
- 19730827.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 15 | 36°E | 253 | 153 | ||
| 2 | A – 2 | 16 | 70°E | 225 | 154 | ||
| 3 | B – 9 | 2 | 27°E | 268 | 155 | ||
| 4 | B – 7 | 13 | 53W | 348 | 156 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.