Daily Sunspot Evaluation
Observation Sheet Sunday, 27 July 2003
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)
- 3
- Number of spots (f)
- 4
- Relative number (R)
- 34
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 10 | 15E | 71 | 12E | 1.5 | 209 |
| 2 | HA – 1 | 10 | 46E | 40 | 43E | 2 | 210 |
| 3 | HS – 1 | -3 | 53W | 139 | 56W | 2 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.