Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 July 1977
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)
- 5
- Number of spots (f)
- 16
- Relative number (R)
- 66
- Observer
- GA
- Reading
- all checks consistent
- File
- 19770727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | -24 | 09E | 132 | 06E | 8486 | |
| 2 | C – 7 | 18 | 47W | 188 | 50W | ||
| 3 | J – 2 | 15 | 05W | 146 | 08W | ||
| 4 | A – 3 | 22 | 01W | 142 | 04W | ||
| 5 | A – 1 | 19 | 00 | 160 | 03W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.